part of part of has part has part has_part in taxon develops from develops from capable of capable of luteal cell progesterone secretion Vertebrata <vertebrates> endocrine system ovary ovarian follicle endocrine gland corpus luteum SCTID:257943001 NCIT:C26465 CALOHA:TS-0181 EMAPA:29886 luteal gland A transient endocrine gland that develops from the postovulatory or atretic follicles and secretes progesterone; it is thought to be related to egg retention[PMID]. MA:0002834 GAID:369 ovarian corpus luteum Wikipedia:Corpus_luteum corpus luteum of ovary BTO:0000292 MESH:D003338 UBERON:0002512 FMA:18619 female reproductive organ mesoderm-derived structure female reproductive gland