part of part of develops from develops from composed primarily of exoccipital bone http://upload.wikimedia.org/wikipedia/commons/b/bf/Gray131.png UBERON:0001693 lateral part of occipital bone relationship type change: overlaps neurocranium (TAO:0001580) CHANGED TO: part_of neurocranium (UBERON:0001703)[TAO] exoccipitals AAO:0000147 TODO - check FMA - currently we place this as both of a zone of bone organ and an (endochondral) bone. Removed endochondral bone classification for now, violates disjointness axiom pars lateralis pars lateralis ossis occipitalis SCTID:139279001 relationship loss: overlaps prootic-exoccipital joint (TAO:0002034)[TAO] exoccipital Endochondral bone that forms the posterior end of the neurocranium and the margin of the foramen magnum. In addition, this bone forms either part of or all or the occipital condyle.[AAO] FMA:52859 relationship loss: develops_from occipital arch cartilage (TAO:0001504)[TAO] VHOG:0001151 Paired cartilage bone that bears a large foramen (lateral occipital foramen). Contacts the supraoccipital dorsally, the epiotic laterally and the basioccipital ventrally. Forms the posterior hind margin of the cranium and borders the lateral and posterior margins of the forum (foramen) magnum. Endochondral bone that articulates with the epiotic dorsally, the pterotic and intercalar laterally and the basioccipital medio-ventrally. The exoccipitals form the lateral borders of the foramen magnum and houses the foramina for the passage of the vagus and glossopharyngeal nerves, X and IX respectively. The exoccipital is a paired bone.[TAO] TAO:0000661 MA:0001464 relationship loss: overlaps basioccipital-exoccipital joint (TAO:0002038)[TAO] ZFA:0000661 Wikipedia:Lateral_parts_of_occipital_bone In some teleosts the exoccipital dorsally contacts the supraoccipital directly or through connective tissue.[TAO] EMAPA:18708 neurocranium chondrocranium bone tissue endochondral bone occipital region parachordal cartilage exoccipital cartilage element neurocranium bone exoccipital endochondral element