human_reference_atlas part of Homo sapiens organ ovary corpus luteum http://upload.wikimedia.org/wikipedia/commons/5/57/Folliclesinovary.jpg SCTID:257943001 UMLS:C0010092 uberon 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]. corpus luteum maintains the endometrium in mammals[WP]. A corpus luteum is known in hagfish (100), Squalus (101), and salamander (100) but not lamprey (102). There are no data for Branchiostoma and Ciona, and given that they are multiple spawners, there is no a priori reason to conclude that they lack a corpus luteum MA:0002834 GAID:369 ovarian corpus luteum Wikipedia:Corpus_luteum corpus luteum of ovary AS BTO:0000292 MESH:D003338 UBERON:0002512 corpora lutea FMA:18619 corpus luteum ovarian cortex