Term IRI Term label Parent term IRI Parent term label Alternative term Definition http://purl.obolibrary.org/obo/CLYH_0000002 gametogenesis period http://purl.obolibrary.org/obo/UBERON_0000105 life cycle stage phase of sexual reproduction in which certain cells of a female or male individual (parent) are transformed into specialized reproductive cells (gametes) that will initiate development of a progeny individual (offspring) upon fertilization. http://purl.obolibrary.org/obo/CLYH_0000049 colony phase http://purl.obolibrary.org/obo/UBERON_0000105 life cycle stage colony containing mature or developing gonozoids , gastrozoids and stolons. http://purl.obolibrary.org/obo/CLYH_1000008 gastrula outer layer http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Outer layer of the gastrula. http://purl.obolibrary.org/obo/CLYH_1000009 oral gastrula outer layer http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Oral part of the outer layer of the gastrula. http://purl.obolibrary.org/obo/CLYH_1000010 aboral gastrula outer layer http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Aboral part of the outer layer of the gastrula. http://purl.obolibrary.org/obo/CLYH_1000011 lateral gastrula outer layer http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Mid part of the outer layer of the gastrula. http://purl.obolibrary.org/obo/CLYH_1000012 planula ectoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Outer layer of the planula. http://purl.obolibrary.org/obo/CLYH_1000013 oral planula ectoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Oral part of the outer layer of the planula. http://purl.obolibrary.org/obo/CLYH_1000014 aboral planula ectoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Aboral part of the outer layer of the planula. http://purl.obolibrary.org/obo/CLYH_1000016 gastrula ingressing cells http://purl.obolibrary.org/obo/CL_0000000 cell Cells ingressing from the outer layer of the gastrula into the blastocoel. http://purl.obolibrary.org/obo/CLYH_1000017 oral gastrula ingressing cells http://purl.obolibrary.org/obo/CL_0000000 cell Cells ingressing from the outer layer into the blastocoel on the oral side of the gastrula. http://purl.obolibrary.org/obo/CLYH_1000018 aboral gastrula ingressing cells http://purl.obolibrary.org/obo/CL_0000000 cell Cells ingressing from the outer layer into the blastocoel on the aboral side of the gastrula. http://purl.obolibrary.org/obo/CLYH_1000019 planula endoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner layer of the planula. http://purl.obolibrary.org/obo/CLYH_1000020 aboral planula endoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner layer of the planula on the aboral side of the planula. http://purl.obolibrary.org/obo/CLYH_1000021 oral planula endoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner layer of the planula on the oral side of the planula. http://purl.obolibrary.org/obo/CLYH_1000022 fertilized egg http://purl.obolibrary.org/obo/CL_0000000 cell Cell formed by fusion of a mature female reproductive cell and a mature male reproductive cell at fertilization. http://purl.obolibrary.org/obo/CLYH_1000023 embryo http://purl.obolibrary.org/obo/CLYH_1000001 multicellular organism Anatomical entity that comprises the organism in the early stages of growth and differentiation that are characterized by cleavage, the laying down of fundamental tissues. http://purl.obolibrary.org/obo/CLYH_1000024 cleaving embryo http://purl.obolibrary.org/obo/CLYH_1000023 embryo Organism at the cleavage stage. http://purl.obolibrary.org/obo/CLYH_1000025 2-cell embryo http://purl.obolibrary.org/obo/CLYH_1000024 cleaving embryo Organism at the cleavage stage after the first cell division. http://purl.obolibrary.org/obo/CLYH_1000026 4-cell embryo http://purl.obolibrary.org/obo/CLYH_1000024 cleaving embryo Organism at the cleavage stage after two division cycles. http://purl.obolibrary.org/obo/CLYH_1000027 8-cell embryo http://purl.obolibrary.org/obo/CLYH_1000024 cleaving embryo Organism at the cleavage stage after three division cycles. http://purl.obolibrary.org/obo/CLYH_1000028 16-cell embryo http://purl.obolibrary.org/obo/CLYH_1000024 cleaving embryo Organism at the cleavage stage after four division cycles. http://purl.obolibrary.org/obo/CLYH_1000029 32-cell embryo http://purl.obolibrary.org/obo/CLYH_1000024 cleaving embryo Organism at the cleavage stage after five division cycles. http://purl.obolibrary.org/obo/CLYH_1000030 64-cell embryo http://purl.obolibrary.org/obo/CLYH_1000024 cleaving embryo Organism at the cleavage stage after six division cycles. http://purl.obolibrary.org/obo/CLYH_1000031 blastula http://purl.obolibrary.org/obo/CLYH_1000023 embryo Organism at the blastula stage - an early stage of embryonic development in animals. It is produced by cleavage of a fertilized ovum and consists of a spherical layer of around 128 cells surrounding a central fluid-filled cavity called the blastocoel. http://purl.obolibrary.org/obo/CLYH_1000032 early blastula http://purl.obolibrary.org/obo/CLYH_1000031 blastula Blastula stage embryo before epithelisation. http://purl.obolibrary.org/obo/CLYH_1000033 mid blastula http://purl.obolibrary.org/obo/CLYH_1000031 blastula Blastula stage embryo with polarised epithelial cells. http://purl.obolibrary.org/obo/CLYH_1000034 late blasutla http://purl.obolibrary.org/obo/CLYH_1000031 blastula Blastula stage embryo with polarised and columnar epithelial cells. http://purl.obolibrary.org/obo/CLYH_1000035 gastrula http://purl.obolibrary.org/obo/CLYH_1000023 embryo Organism at the gastrula stage. http://purl.obolibrary.org/obo/CLYH_1000036 very early gastrula http://purl.obolibrary.org/obo/CLYH_1000035 gastrula Visible pointed oral pole but no cell ingression, Ciliogenesis starting. http://purl.obolibrary.org/obo/CLYH_1000037 early gastrula http://purl.obolibrary.org/obo/CLYH_1000035 gastrula Gastrula with a few cells ingressed at pointed oral pole. Swimming. http://purl.obolibrary.org/obo/CLYH_1000038 mid gastrula http://purl.obolibrary.org/obo/CLYH_1000035 gastrula Gastrula in which blastotocoel is half filled with ingressing cells. http://purl.obolibrary.org/obo/CLYH_1000039 late gastrula http://purl.obolibrary.org/obo/CLYH_1000035 gastrula Gastrula in which Blastocoel is full but no epithelisation of internal cells. http://purl.obolibrary.org/obo/CLYH_1000040 planula larva http://purl.obolibrary.org/obo/CLYH_1000001 multicellular organism A distinct juvenile form before metamorphosis with elongated shape and cilliated outer layer. Inner and outer tissue layers separated by basement membrane. http://purl.obolibrary.org/obo/CLYH_1000041 planula P1 http://purl.obolibrary.org/obo/CLYH_1000040 planula larva Planula larva showing epithelisation of gastrodermal cells at aboral pole but not orally. http://purl.obolibrary.org/obo/CLYH_1000042 planula P2 http://purl.obolibrary.org/obo/CLYH_1000040 planula larva Planula larva with visible central cavity in gastrodermis, incompetent to metamorphose. http://purl.obolibrary.org/obo/CLYH_1000043 planula P3 http://purl.obolibrary.org/obo/CLYH_1000040 planula larva Planula larva with all cell types diffrerntiated and competent to metamorphose. http://purl.obolibrary.org/obo/CLYH_1000044 aged planula http://purl.obolibrary.org/obo/CLYH_1000040 planula larva Elongated planula competent to metamorphose, thinner than P3 planula. http://purl.obolibrary.org/obo/CLYH_1000045 metamorphosing planula http://purl.obolibrary.org/obo/CLYH_1000001 multicellular organism Planula larva that has stopped swimming and is transforming into a polyp. http://purl.obolibrary.org/obo/CLYH_1000046 settled planula http://purl.obolibrary.org/obo/CLYH_1000045 metamorphosing planula Planula larva that has stopped swimming and fixed to substrate. http://purl.obolibrary.org/obo/CLYH_1000047 blob http://purl.obolibrary.org/obo/CLYH_1000045 metamorphosing planula Metamorphosing larva that has a pear shape. http://purl.obolibrary.org/obo/CLYH_1000048 disc http://purl.obolibrary.org/obo/CLYH_1000045 metamorphosing planula Transitory form of planula undergoing metamorphosis a flattened circular form attached to the substrate. http://purl.obolibrary.org/obo/CLYH_1000049 sculpted disc http://purl.obolibrary.org/obo/CLYH_1000045 metamorphosing planula Transitory form of planula undergoing metamorphosis a flattened form attached to the substrate showing irregular indentations and with small stalk emerging. http://purl.obolibrary.org/obo/CLYH_1000050 spindle-associated http://purl.obolibrary.org/obo/GO_0005575 cellular component Region of the cell closely surrounding the mitotoc spindle. http://purl.obolibrary.org/obo/CLYH_1000051 animal cortex http://purl.obolibrary.org/obo/GO_0005938 cell cortex Region inheriting the peripheral region of the egg around the animal pole. http://purl.obolibrary.org/obo/CLYH_1000054 vegetal cortex http://purl.obolibrary.org/obo/GO_0005938 cell cortex Region inheriting the peripheral region of the egg around the vegetal pole. http://purl.obolibrary.org/obo/CLYH_1000055 vegetal cortex of oocyte http://purl.obolibrary.org/obo/CLYH_1000054 vegetal cortex Region of a stage III oocyte cortex close to the oocyte nucleus. http://purl.obolibrary.org/obo/CLYH_1000056 vegetal cortex of egg http://purl.obolibrary.org/obo/CLYH_1000054 vegetal cortex Egg cortex region containing the site of polar body formation. http://purl.obolibrary.org/obo/CLYH_1000059 animal cytoplasm of oocyte http://purl.obolibrary.org/obo/CLYH_1000058 animal cytoplasm Region of cytoplasm in a stage III oocyte in the same hemishere as the nucleus. http://purl.obolibrary.org/obo/CLYH_1000060 animal cytoplasm of egg http://purl.obolibrary.org/obo/CLYH_1000058 animal cytoplasm Cytoplasm in egg hemisphere containing site of polar body formation. http://purl.obolibrary.org/obo/CLYH_1000076 blastomere http://purl.obolibrary.org/obo/CL_0000000 cell Single cell of a cleavage cel embryo. http://purl.obolibrary.org/obo/CLYH_1000079 spermatogonium http://purl.obolibrary.org/obo/CLYH_1000078 male germ cell An undeveloped male germ cell. Spermatogonia develop into primary spermatocytes. http://purl.obolibrary.org/obo/CLYH_1000080 spermatid http://purl.obolibrary.org/obo/CLYH_1000078 male germ cell A male germ cell that develops from the haploid secondary spermatocytes. Without further division, spermatids undergo structural changes and give rise to spermatozoa. http://purl.obolibrary.org/obo/CLYH_1000081 spermatozoid http://purl.obolibrary.org/obo/CLYH_1000078 male germ cell A mature male germ cell that develops from a spermatid. http://purl.obolibrary.org/obo/CLYH_1000083 oogonium http://purl.obolibrary.org/obo/CLYH_1000082 female germ cell An undifferentiated germ cell that proliferates rapidly and gives rise to oocytes. http://purl.obolibrary.org/obo/CLYH_1000084 oocyte http://purl.obolibrary.org/obo/CLYH_1000082 female germ cell A female germ cell that has entered meiosis. http://purl.obolibrary.org/obo/CLYH_1000085 growing oocyte http://purl.obolibrary.org/obo/CLYH_1000084 oocyte Oocyte incorporating yolk. http://purl.obolibrary.org/obo/CLYH_1000086 fully grown oocyte http://purl.obolibrary.org/obo/CLYH_1000084 oocyte Oocyte greater than 150 micrometers in diameter competent to undergo meiotic maturation. http://purl.obolibrary.org/obo/CLYH_1000087 gamete http://purl.obolibrary.org/obo/CL_0000000 cell A mature sexual reproductive cell having a single set of unpaired chromosomes. http://purl.obolibrary.org/obo/CLYH_1000088 egg cell http://purl.obolibrary.org/obo/CLYH_1000087 gamete A female gamete where meiosis is complete and is able to participate in fertilization. http://purl.obolibrary.org/obo/CLYH_1000090 gland cell http://purl.obolibrary.org/obo/CL_0000000 cell Specialized cell participating in mucus secretion. http://purl.obolibrary.org/obo/CLYH_1000091 planula aboral gland cell http://purl.obolibrary.org/obo/CLYH_1000090 gland cell Gland cell located on the aboral side of the planula larva, in the outer layer. http://purl.obolibrary.org/obo/CLYH_1000092 planula gland cell http://purl.obolibrary.org/obo/CLYH_1000090 gland cell Gland cell located in the inner layer of the planula larva. http://purl.obolibrary.org/obo/CLYH_1000093 manubrium gland cell http://purl.obolibrary.org/obo/CLYH_1000090 gland cell Gland cell of the manubrium. http://purl.obolibrary.org/obo/CLYH_1000094 gastrozoid gland cell http://purl.obolibrary.org/obo/CLYH_1000090 gland cell Gland cell of the gastrozoid. http://purl.obolibrary.org/obo/CLYH_1000095 interstitial cell http://purl.obolibrary.org/obo/CL_0000000 cell Multipotent stem cell. http://purl.obolibrary.org/obo/CLYH_1000096 stolon interstitial cell http://purl.obolibrary.org/obo/CLYH_1000095 interstitial cell Interstitial cell in the stolon. http://purl.obolibrary.org/obo/CLYH_1000097 embryo interstitial cell http://purl.obolibrary.org/obo/CLYH_1000095 interstitial cell Interstitial cell in the embryo. http://purl.obolibrary.org/obo/CLYH_1000098 planula interstitial cell http://purl.obolibrary.org/obo/CLYH_1000095 interstitial cell Interstitial cell in the planula. http://purl.obolibrary.org/obo/CLYH_1000099 gastrozoid interstitial cell http://purl.obolibrary.org/obo/CLYH_1000095 interstitial cell Interstitial cell in the feeding polyp. http://purl.obolibrary.org/obo/CLYH_1000100 gonozoid interstitial cell http://purl.obolibrary.org/obo/CLYH_1000095 interstitial cell Interstitial cell within the gonozoid. http://purl.obolibrary.org/obo/CLYH_1000101 manubrium interstital cell http://purl.obolibrary.org/obo/CLYH_1000095 interstitial cell Interstital cell of the manubrium. http://purl.obolibrary.org/obo/CLYH_1000102 nematoblast http://purl.obolibrary.org/obo/CL_0000000 cell Differenciating nematocyte. http://purl.obolibrary.org/obo/CLYH_1000103 stolon nematoblast http://purl.obolibrary.org/obo/CLYH_1000102 nematoblast Nematoblast in the stolon. http://purl.obolibrary.org/obo/CLYH_1000104 planula nematoblast http://purl.obolibrary.org/obo/CLYH_1000102 nematoblast Nematoblast in the planula. http://purl.obolibrary.org/obo/CLYH_1000105 tentacle bulb nemtoblast http://purl.obolibrary.org/obo/CLYH_1000102 nematoblast Nematoblast of the tentacle bulb. http://purl.obolibrary.org/obo/CLYH_1000106 manubrium nematoblast http://purl.obolibrary.org/obo/CLYH_1000102 nematoblast Nematoblast of the manubrium. http://purl.obolibrary.org/obo/CLYH_1000107 nematocyte http://purl.obolibrary.org/obo/CL_0000000 cell Specialized cell containing one giant explosive secretory organelle called nematocyst used for prey capture and defense from predators. http://purl.obolibrary.org/obo/CLYH_1000108 planula nematocyte http://purl.obolibrary.org/obo/CLYH_1000107 nematocyte Nematocyte of the planula. http://purl.obolibrary.org/obo/CLYH_1000109 medusa tentacle nematocyte http://purl.obolibrary.org/obo/CLYH_1000107 nematocyte Nematocyte of the medusa tentacle. http://purl.obolibrary.org/obo/CLYH_1000110 manubrium nematocyte http://purl.obolibrary.org/obo/CLYH_1000107 nematocyte Nematocyte located on the manubrium. http://purl.obolibrary.org/obo/CLYH_1000111 gastrozoid tentacle nematocyte http://purl.obolibrary.org/obo/CLYH_1000107 nematocyte Nematocyte located on the tentacle. http://purl.obolibrary.org/obo/CLYH_1000112 neural cell http://purl.obolibrary.org/obo/CL_0000000 cell A cell that is part of the nervous system. http://purl.obolibrary.org/obo/CLYH_1000113 planula neural cell http://purl.obolibrary.org/obo/CLYH_1000112 neural cell Neural cell in the planula. http://purl.obolibrary.org/obo/CLYH_1000114 planula lateral neural cells http://purl.obolibrary.org/obo/CLYH_1000113 planula neural cell Neural cell in the mid part of the planula. http://purl.obolibrary.org/obo/CLYH_1000115 plaunula aboral ectoderm neural cells http://purl.obolibrary.org/obo/CLYH_1000113 planula neural cell Neural cell in the aboral part of the planula. http://purl.obolibrary.org/obo/CLYH_1000116 nerve cell of the radial canal http://purl.obolibrary.org/obo/CLYH_1000112 neural cell Nerve cells of the radial canal. http://purl.obolibrary.org/obo/CLYH_1000117 nerve cell of the circular canal http://purl.obolibrary.org/obo/CLYH_1000112 neural cell Nerve cells of the circular canal. http://purl.obolibrary.org/obo/CLYH_1000118 nerve cells of the gonad ectoderm http://purl.obolibrary.org/obo/CLYH_1000112 neural cell Nerve cells located in the gonad outer layer. http://purl.obolibrary.org/obo/CLYH_1000119 nerve cell of the tentacle bulb http://purl.obolibrary.org/obo/CLYH_1000112 neural cell Nerve cell of the medusa tentacle bulb. http://purl.obolibrary.org/obo/CLYH_1000120 subumbrella nervous cell http://purl.obolibrary.org/obo/CLYH_1000112 neural cell Nervous cells of the subumbrella. http://purl.obolibrary.org/obo/CLYH_1000121 smooth muscle cell http://purl.obolibrary.org/obo/CL_0000000 cell Epithelial cell containing smooth myofibers. http://purl.obolibrary.org/obo/CLYH_1000122 smooth muscle of the velum http://purl.obolibrary.org/obo/CLYH_1000121 smooth muscle cell Smooth muscle of the velum. http://purl.obolibrary.org/obo/CLYH_1000123 subumbrella smooth muscle http://purl.obolibrary.org/obo/CLYH_1000121 smooth muscle cell Smooth muscle of the subumbrella. http://purl.obolibrary.org/obo/CLYH_1000124 striated muscle cell http://purl.obolibrary.org/obo/CL_0000000 cell Epithelial cell containing striated myofibers. http://purl.obolibrary.org/obo/CLYH_1000125 striated muscle of the velum http://purl.obolibrary.org/obo/CLYH_1000124 striated muscle cell Striated muscle of the velum. http://purl.obolibrary.org/obo/CLYH_1000126 subumbrella striated muscle http://purl.obolibrary.org/obo/CLYH_1000124 striated muscle cell Striated muscle of the subumbrella. http://purl.obolibrary.org/obo/CLYH_1000127 polyp colony http://purl.obolibrary.org/obo/CLYH_1000001 multicellular organism Connected system of gastrozoid and gonozoid polyps, propagating vegetatively. http://purl.obolibrary.org/obo/CLYH_1000130 stolon mesoglea http://purl.obolibrary.org/obo/CLYH_1000158 mesoglea Mesoglea layer between the inner and outer layers of the stolon. http://purl.obolibrary.org/obo/CLYH_1000132 stolon ectoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Outer layer within the stolon. http://purl.obolibrary.org/obo/CLYH_1000133 stolon endoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner layer within the stolon. http://purl.obolibrary.org/obo/CLYH_1000137 gonozoid ectoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Outer layer of the gonozoid including central tube and developing buds. http://purl.obolibrary.org/obo/CLYH_1000138 gonozoid endoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner layer of the gonozoid including central tube and developing buds. http://purl.obolibrary.org/obo/CLYH_1000139 epithelium covering buds http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Epithelial cell layer positioned between the developing medusa buds and the theca of the gonozoid. http://purl.obolibrary.org/obo/CLYH_1000141 early medusa bud http://purl.obolibrary.org/obo/CLYH_1000140 medusa bud Outgrowth of the gonozoid central tube, comprising entocodon, endoderm and ectoderm tissue layers. http://purl.obolibrary.org/obo/CLYH_1000142 mid medusa bud http://purl.obolibrary.org/obo/CLYH_1000140 medusa bud Bud on the side of the gonozoid central tube, in which all medusa structures are present but not yet expanded to final proportions. http://purl.obolibrary.org/obo/CLYH_1000143 late medusa bud http://purl.obolibrary.org/obo/CLYH_1000140 medusa bud Bud on the side of the gonozoid central tube, containing medusa structures with same proportions as newly released medusa. http://purl.obolibrary.org/obo/CLYH_1000144 entocodon http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Group of cells between the inner and outer layers of the early medusa bud. http://purl.obolibrary.org/obo/CLYH_1000145 developing manubrium http://purl.obolibrary.org/obo/CLYH_1000187 manubrium Developing manubrium within the medusa bud. http://purl.obolibrary.org/obo/CLYH_1000146 developing tentacle bulbs http://purl.obolibrary.org/obo/CLYH_1000168 medusa tentacle system Developing tentacle bud within the medusa bud. http://purl.obolibrary.org/obo/CLYH_1000147 developing radial canal http://purl.obolibrary.org/obo/CLYH_1000182 radial canal Developing radial canal within the medusa bud. http://purl.obolibrary.org/obo/CLYH_1000148 developing striated muscle http://purl.obolibrary.org/obo/CLYH_1000124 striated muscle cell Developing striated muscle within the medusa bud. http://purl.obolibrary.org/obo/CLYH_1000149 developing circular canal http://purl.obolibrary.org/obo/CLYH_1000183 circular canal Developing circular canal within the medusa bud. http://purl.obolibrary.org/obo/CLYH_1000151 gastrozoid tentacle http://purl.obolibrary.org/obo/CLYH_1000005 tentacle Tentacle surrounding the gastrozoid mouth. http://purl.obolibrary.org/obo/CLYH_1000152 gastrozoid mouth http://purl.obolibrary.org/obo/CLYH_1000003 mouth Mouth of the gastrozoid. http://purl.obolibrary.org/obo/CLYH_1000154 theca http://purl.obolibrary.org/obo/CLYH_1000153 matrix Chitinous acellular layer surronding and protecting the polyps. http://purl.obolibrary.org/obo/CLYH_1000155 gonotheca http://purl.obolibrary.org/obo/CLYH_1000154 theca Chitinous acellular layer surronding the gonozoid. http://purl.obolibrary.org/obo/CLYH_1000156 stolon perisarc http://purl.obolibrary.org/obo/CLYH_1000154 theca Chitinous acellular layer surronding the stolon. http://purl.obolibrary.org/obo/CLYH_1000157 hydrotheca http://purl.obolibrary.org/obo/CLYH_1000154 theca Chitinous acellular layer surronding the gastrozoid. http://purl.obolibrary.org/obo/CLYH_1000158 mesoglea http://purl.obolibrary.org/obo/CLYH_1000153 matrix Jelly-like layer between epithelial layer. The mesoglea is mostly acellular and composed of extracellular matrix. http://purl.obolibrary.org/obo/CLYH_1000159 gonozoid mesoglea http://purl.obolibrary.org/obo/CLYH_1000158 mesoglea Mesoglea layer between the inner and outer tissue layers of the gonozoid central tube. http://purl.obolibrary.org/obo/CLYH_1000160 medusa http://purl.obolibrary.org/obo/CLYH_1000001 multicellular organism Swimming pelagic stage of the Clytia hemisphaerica life cycle. http://purl.obolibrary.org/obo/CLYH_1000161 umbrella http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure Dome-shaped part of the medusa stage. http://purl.obolibrary.org/obo/CLYH_1000164 subumbrella endodermal plate http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner layer of the subumbrella in direct contact with the thick mesoglea layer of the medusa. http://purl.obolibrary.org/obo/CLYH_1000165 thick mesoglea layer of the umbrella http://purl.obolibrary.org/obo/CLYH_1000158 mesoglea Thick mesoglea layer of the umbrella forming the bulk of the umbrella. http://purl.obolibrary.org/obo/CLYH_1000166 bell margin http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure Outer border of the umbrella. http://purl.obolibrary.org/obo/CLYH_1000167 statocyst http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure Sensory structure of the medusa, located on the bell margin, consisting of a sensory vesicle containing statoliths. http://purl.obolibrary.org/obo/CLYH_1000168 medusa tentacle system http://purl.obolibrary.org/obo/CLYH_1000004 tentacle system Medusa tentacle system comprising tentacles, tentacle bulbs and tentacle buds. http://purl.obolibrary.org/obo/CLYH_1000171 nematogenic ectoderm of the bulb http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Cresent-shaped nematogenic area of the tentacle bulb, located on the oral side of the bulb outer layer. http://purl.obolibrary.org/obo/CLYH_1000172 non-nematogenic ectoderm of the bulb http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer V-shaped non-nematogenic ectodermal area of the tentacle bulb, located on the aboral side of the bulb. http://purl.obolibrary.org/obo/CLYH_1000173 tentacle bulb endoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner layer of the medusa tentacle bulb. http://purl.obolibrary.org/obo/CLYH_1000174 medusa tentacle http://purl.obolibrary.org/obo/CLYH_1000005 tentacle Tentacle of the medusa not including the tentacle bulb. http://purl.obolibrary.org/obo/CLYH_1000175 primary medusa tentacle http://purl.obolibrary.org/obo/CLYH_1000174 medusa tentacle Four first medusa tentacles of the newly hatched medusa, connected to both radial and circular canals. http://purl.obolibrary.org/obo/CLYH_1000176 secondary medusa tentacle http://purl.obolibrary.org/obo/CLYH_1000174 medusa tentacle Medusa tentacle generated after medusa hatching and connected to the circular but not to the radial canal. http://purl.obolibrary.org/obo/CLYH_1000177 medusa tentacle ectoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Outer layer of the medusa tentacle. http://purl.obolibrary.org/obo/CLYH_1000178 medusa tentacle endoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner layer of the medusa tentacle. http://purl.obolibrary.org/obo/CLYH_1000179 velum http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure A muscular flap of tissue surrounding the margin of the bell. http://purl.obolibrary.org/obo/CLYH_1000180 inner layer of the velum http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner layer of the velum. http://purl.obolibrary.org/obo/CLYH_1000181 outerlater of the velum http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Outer layer of the velum. http://purl.obolibrary.org/obo/CLYH_1000182 radial canal http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure Canal connecting the manubrium with the bell margin. http://purl.obolibrary.org/obo/CLYH_1000183 circular canal http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure Canal running along the bell margin. http://purl.obolibrary.org/obo/CLYH_1000184 nerve ring http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure Concentration of nerve cell bodies and projections running around the margin of the bell. http://purl.obolibrary.org/obo/CLYH_1000185 inner nerve ring http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure Nerve ring located closest to the centre of the medusa. http://purl.obolibrary.org/obo/CLYH_1000186 outer nerve ring http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure Nerve ring located farest to the centre of the medusa. http://purl.obolibrary.org/obo/CLYH_1000187 manubrium http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure Central structure of the medusa bearing the mouth and performing extracellular digestion. http://purl.obolibrary.org/obo/CLYH_1000188 medusa mouth http://purl.obolibrary.org/obo/CLYH_1000003 mouth Medusa mouth as part of the manubrium. http://purl.obolibrary.org/obo/CLYH_1000189 manubrium roof http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner layer of the manubrium opposite to the mouth and in direct contact with the thick mesoglea layer of the medusa. http://purl.obolibrary.org/obo/CLYH_1000190 manubrium ectoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Outer layer of the manubrium. http://purl.obolibrary.org/obo/CLYH_1000191 manubrium endoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner digestive layer of the manubrium. http://purl.obolibrary.org/obo/CLYH_1000192 gonad http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure Reproductive organ of the medusa. http://purl.obolibrary.org/obo/CLYH_1000193 gonad ectoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Outer layer of the gonad. http://purl.obolibrary.org/obo/CLYH_1000194 gonad endoderm http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer Inner layer of the gonad. http://purl.obolibrary.org/obo/CLYH_1000077 germ cell http://purl.obolibrary.org/obo/CL_0000000 cell http://purl.obolibrary.org/obo/CLYH_1000089 blastocoel roof cell http://purl.obolibrary.org/obo/CL_0000000 cell http://purl.obolibrary.org/obo/GO_0005938 cell cortex http://purl.obolibrary.org/obo/GO_0005575 cellular component http://purl.obolibrary.org/obo/CLYH_1000057 cytoplasm http://purl.obolibrary.org/obo/GO_0005575 cellular component http://purl.obolibrary.org/obo/CLYH_1000003 mouth http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure http://purl.obolibrary.org/obo/CLYH_1000004 tentacle system http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure http://purl.obolibrary.org/obo/CLYH_1000005 tentacle http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure http://purl.obolibrary.org/obo/CLYH_1000006 tissue layer http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure http://purl.obolibrary.org/obo/CLYH_1000064 oral territory http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure http://purl.obolibrary.org/obo/CLYH_1000070 aboral territory http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure http://purl.obolibrary.org/obo/CLYH_1000153 matrix http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure http://purl.obolibrary.org/obo/CLYH_0000001 gametogenesis http://purl.obolibrary.org/obo/UBERON_0000105 life cycle stage http://purl.obolibrary.org/obo/CLYH_0000003 oogenesis period http://purl.obolibrary.org/obo/UBERON_0000105 life cycle stage http://purl.obolibrary.org/obo/CLYH_0000010 spermatogenesis period http://purl.obolibrary.org/obo/UBERON_0000105 life cycle stage http://purl.obolibrary.org/obo/CLYH_0000013 embryonic development http://purl.obolibrary.org/obo/UBERON_0000105 life cycle stage http://purl.obolibrary.org/obo/CLYH_0000014 gamete period http://purl.obolibrary.org/obo/UBERON_0000105 life cycle stage http://purl.obolibrary.org/obo/CLYH_0000034 planula period http://purl.obolibrary.org/obo/UBERON_0000105 life cycle stage http://purl.obolibrary.org/obo/CLYH_0000040 metamorphosis period http://purl.obolibrary.org/obo/UBERON_0000105 life cycle stage http://purl.obolibrary.org/obo/CLYH_0000059 medusa phase http://purl.obolibrary.org/obo/UBERON_0000105 life cycle stage http://purl.obolibrary.org/obo/CLYH_1000052 animal cortex of oocyte http://purl.obolibrary.org/obo/CLYH_1000051 animal cortex http://purl.obolibrary.org/obo/CLYH_1000053 animal cortex of egg cell http://purl.obolibrary.org/obo/CLYH_1000051 animal cortex http://purl.obolibrary.org/obo/CLYH_1000058 animal cytoplasm http://purl.obolibrary.org/obo/CLYH_1000057 cytoplasm http://purl.obolibrary.org/obo/CLYH_1000061 vegetal cytoplasm http://purl.obolibrary.org/obo/CLYH_1000057 cytoplasm http://purl.obolibrary.org/obo/CLYH_1000062 vegetal cytoplasm of oocyte http://purl.obolibrary.org/obo/CLYH_1000061 vegetal cytoplasm http://purl.obolibrary.org/obo/CLYH_1000063 vegetal cytoplasm of egg http://purl.obolibrary.org/obo/CLYH_1000061 vegetal cytoplasm http://purl.obolibrary.org/obo/CLYH_1000065 oral pole of embryo http://purl.obolibrary.org/obo/CLYH_1000064 oral territory http://purl.obolibrary.org/obo/CLYH_1000066 oral pole of planula larva http://purl.obolibrary.org/obo/CLYH_1000064 oral territory http://purl.obolibrary.org/obo/CLYH_1000067 oral pole blastomeres http://purl.obolibrary.org/obo/CLYH_1000064 oral territory http://purl.obolibrary.org/obo/CLYH_1000068 oral pole of blastula http://purl.obolibrary.org/obo/CLYH_1000064 oral territory http://purl.obolibrary.org/obo/CLYH_1000069 oral pole of gastrula http://purl.obolibrary.org/obo/CLYH_1000064 oral territory http://purl.obolibrary.org/obo/CLYH_1000071 aboral pole of embryo http://purl.obolibrary.org/obo/CLYH_1000070 aboral territory http://purl.obolibrary.org/obo/CLYH_1000072 aboral pole of planula larva http://purl.obolibrary.org/obo/CLYH_1000070 aboral territory http://purl.obolibrary.org/obo/CLYH_1000073 aboral pole blastomeres http://purl.obolibrary.org/obo/CLYH_1000070 aboral territory http://purl.obolibrary.org/obo/CLYH_1000074 aboral pole of blastula http://purl.obolibrary.org/obo/CLYH_1000070 aboral territory http://purl.obolibrary.org/obo/CLYH_1000075 aboral pole of gastrula http://purl.obolibrary.org/obo/CLYH_1000070 aboral territory http://purl.obolibrary.org/obo/CLYH_1000078 male germ cell http://purl.obolibrary.org/obo/CLYH_1000077 germ cell http://purl.obolibrary.org/obo/CLYH_1000082 female germ cell http://purl.obolibrary.org/obo/CLYH_1000077 germ cell http://purl.obolibrary.org/obo/CL_0000000 cell A material entity of anatomical origin (part of or deriving from an organism) that has as its parts a maximally connected cell compartment surrounded by a plasma membrane. http://purl.obolibrary.org/obo/CLYH_0000004 previtellogenic stage Entered into meiosis, DNA replicated, no yolk accumulation. http://purl.obolibrary.org/obo/CLYH_0000006 stage I oocyte growth stage Meiotic Prophase I arrest, GV in centre, diameter x http://purl.obolibrary.org/obo/CLYH_0000007 stage II oocyte growth stage Meiotic Prophase I arrest, GV off centre, diameter x http://purl.obolibrary.org/obo/CLYH_0000008 stage III oocyte growth stage Meiotic Prophase I arrest, GV off centre, diameter x http://purl.obolibrary.org/obo/CLYH_0000009 oocyte meiotic maturation oocyte undergoing meiosis completion from prophase I to G0 of first meiotic cycle http://purl.obolibrary.org/obo/CLYH_0000015 unfertilized egg stage matture female germ cell. not yet fertilized. Meiotic divisions complete. Spawned egg with female pronucleus. http://purl.obolibrary.org/obo/CLYH_0000016 spermatozoid stage mature male germ cell. http://purl.obolibrary.org/obo/CLYH_0000018 one cell stage Zygote fertilized egg, zygote nucleus forms at animal pole (about 0-50 min post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000019 2-cell stage Two cell-stage embryo. First cleaveages unipolar and start at the animal pole (about 50-80 min post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000020 4-cell stage Four cell-stage embryo. Second cleaveages unipolar and start at the animal pole (about 80-110 min post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000021 8-cell stage Eight cell-stage embryo (about 2h post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000022 16-cell stage Sixteen cell-stage embryo (about 2.5h post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000023 32-cell stage thirty two cell-stage embryo (about 3h post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000024 64-cell stage sixty four cell-stage embryo (about 3h post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000026 early blastula stage Cells rounded and loosely adhered, Nuclei central (5-6h post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000027 mid blastula stage Cell contacts extended, cells polarised, nuclei apical (8h post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000028 late blastula stage Cell polarized and columnar, nuclei apical (9- 10h post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000030 very early gastrula stage Visible pointed oral pole but no cell ingression, ciliogenesis starting (12-13h post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000031 early gastrula stage A few cells ingressed at pointed oral pole, swimming started (14-16h post fertilization at 18 degree celsius). http://purl.obolibrary.org/obo/CLYH_0000032 mid gastrula stage Ingression to fill balastotocoel half completed (17- 18h post fertilization at 18 degree celsius) http://purl.obolibrary.org/obo/CLYH_0000033 late gastrula stage Blastocoel full, no epithelisation of internal cells (20h post fertilization at18 degree celsius http://purl.obolibrary.org/obo/CLYH_0000035 planula P1 stage Epithelisation beginning at aboral pole (as seen at 24h post fertilization at 18 degree celsius) http://purl.obolibrary.org/obo/CLYH_0000036 planula P2 stage Visible central cavity (as seen at 48h post fertilization at 18 degree celsius) http://purl.obolibrary.org/obo/CLYH_0000037 planula P3 stage Competent to metamorphose as (72h post fertilization at 18 degree celsius) http://purl.obolibrary.org/obo/CLYH_0000038 aged planula stage Aged planula (> 3 days post fertilization at 18 degree celsius) but not received metamporphosis signal. http://purl.obolibrary.org/obo/CLYH_0000041 settled planula stage torpedo shape planula that stopped swimming http://purl.obolibrary.org/obo/CLYH_0000042 blob stage irregularly shaped metamorphosing planula attached to substrate, not yet flattened http://purl.obolibrary.org/obo/CLYH_0000043 disc stage metamorphosing planula attached to the substrate and in shape of a flattened disc http://purl.obolibrary.org/obo/CLYH_0000044 sculpted disc stage metamorphosing planula attached to the substrate and in shape of a flattened disc with sculpted indentations http://purl.obolibrary.org/obo/CLYH_0000045 primary polyp stalk extension stage uniform extension emerging from the sculpted disc http://purl.obolibrary.org/obo/CLYH_0000046 primary polyp developing head stage swollen distal extremity developing into a functional primary polyp head http://purl.obolibrary.org/obo/CLYH_0000047 functional primary polyp stage theca of the primary polyp open on the oral side and mouth open http://purl.obolibrary.org/obo/CLYH_0000051 stalk extenstion stage uniform extension emerging from the stolon as first stage of gastrozoid development http://purl.obolibrary.org/obo/CLYH_0000052 developing head stage swollen distal extremity developing into a complete gastrozoid head http://purl.obolibrary.org/obo/CLYH_0000053 functional gastrozoid stage complete and functional gastrozoid with open hydrotheca and mouth http://purl.obolibrary.org/obo/CLYH_0000054 gonozoid development Non feeding polyp specialized in budding medusae http://purl.obolibrary.org/obo/CLYH_0000055 growing gonozoid stage growing and developing gonozoid http://purl.obolibrary.org/obo/CLYH_0000056 budding gonozoid stage mature gonozoid budding medusae http://purl.obolibrary.org/obo/CLYH_0000057 non-budding gonozoid stage mature gonozoid not containing any medusa bud only central tube and disc-shaped cap http://purl.obolibrary.org/obo/CLYH_0000061 early medusa bud stage medusa bud with visible ectoderm, endoderm and entocodon http://purl.obolibrary.org/obo/CLYH_0000062 mid medusa bud stage medusa bud with forming subumbrella cavity http://purl.obolibrary.org/obo/CLYH_0000063 late medusa bud stage medusa bud with with folding umbrella http://purl.obolibrary.org/obo/CLYH_0000065 4-bulb medusa stage period of medusa growth between release medusa from gonozoid until appearance of secondary tentacles. Only 4 tentacle bulbs present http://purl.obolibrary.org/obo/CLYH_0000066 8-bulb medusa stage period of medusa growth when only 8 tentacles are present http://purl.obolibrary.org/obo/CLYH_0000067 12-bulb medusa stage period of medusa growth when only 12 tentacles are present http://purl.obolibrary.org/obo/CLYH_0000068 16-bulb immature medusa stage period of medusa growth when only 16 tentacles are present. No mature gametes (eg 5mm diameter) http://purl.obolibrary.org/obo/CLYH_0000069 mature adult medusa stage period of medusa growth when only 16 tentacles are present. Gonads contain mature gametes. (eg 10mm diameter) http://purl.obolibrary.org/obo/CLYH_1000128 stolon Tubular structure adhering to the substrate, connecting the bases of the polyps. http://purl.obolibrary.org/obo/CLYH_1000129 stolon growth tip Growing tip of a stolon. http://purl.obolibrary.org/obo/CLYH_1000131 stolon body Segments of the stolon between the bases of the polyps, excluding the growing tip. http://purl.obolibrary.org/obo/CLYH_1000134 gonozoid Polyp specialised for production of medusa by budding. http://purl.obolibrary.org/obo/CLYH_1000135 gonozoid cap Structure that closes the distal end of the gonozoid. http://purl.obolibrary.org/obo/CLYH_1000136 gonozoid central tube Tubular structure comprising inner and outer layers at the centre of the gonozoid. http://purl.obolibrary.org/obo/CLYH_1000140 medusa bud Outgrowth of the gonozoid central tube, within which medusa structures develop. http://purl.obolibrary.org/obo/CLYH_1000150 gastrozoid Polyp specialised for catching prey and digesting. http://purl.obolibrary.org/obo/CLYH_1000162 exumbrella Outer layer of the umbrella. http://purl.obolibrary.org/obo/CLYH_1000163 subumbrella Inner layers of the umbrella. http://purl.obolibrary.org/obo/CLYH_1000169 medusa tentacle bud Initial stage of tentacle bulb formation. http://purl.obolibrary.org/obo/CLYH_1000170 medusa tentacle bulb Swollen structure producing the tentacle and connecting the bell margin to the tentacle. http://purl.obolibrary.org/obo/GO_0005575 cellular component http://purl.obolibrary.org/obo/UBERON_0000061 anatomical structure http://purl.obolibrary.org/obo/UBERON_0000105 life cycle stage http://purl.obolibrary.org/obo/CLYH_0000005 oocyte growth period http://purl.obolibrary.org/obo/CLYH_0000011 spermatogonium stage http://purl.obolibrary.org/obo/CLYH_0000012 spermatid stage http://purl.obolibrary.org/obo/CLYH_0000017 cleavage period http://purl.obolibrary.org/obo/CLYH_0000025 blastula period http://purl.obolibrary.org/obo/CLYH_0000029 gastrula period http://purl.obolibrary.org/obo/CLYH_0000050 gastrozoid development http://purl.obolibrary.org/obo/CLYH_0000060 medusa budding http://purl.obolibrary.org/obo/CLYH_0000064 medusa growth http://purl.obolibrary.org/obo/CLYH_1000001 multicellular organism http://purl.obolibrary.org/obo/CLYH_1000002 organism subdivision http://purl.obolibrary.org/obo/CLYH_1000007 ectoderm http://purl.obolibrary.org/obo/CLYH_1000015 endoderm http://purl.obolibrary.org/obo/RO_0002087 immediately preceded by http://purl.obolibrary.org/obo/RO_0002202 develops from http://purl.obolibrary.org/obo/BFO_0000050 part of http://purl.obolibrary.org/obo/RO_0002488 existence starts during http://purl.obolibrary.org/obo/RO_0002492 existence ends during