human_reference_atlas part of Homo sapiens cell layer theca cell layer thecal cell layer EMAPA:35636 uberon theca of follicle theca folliculi The theca folliculi are responsible for the production of testosterone from androstenedione in females, and indirectly the production of estrogens by supplying the neighboring granulosa cells with androstenedione that can then be used as a substrate for aromatase. [Wikipedia:Theca_of_follicle] ZFA:0001113 FMA:18656 MA:0001712 TAO:0001113 ovary theca EFO:0003629 AS BTO:0002853 layer of theca cells theca cell layer UBERON:0000155 A layer of the ovarian follicle that consists of theca cells. thecal cell layers theca cell layer Wikipedia:Theca_of_follicle ovarian theca theca cell layer of ovarian follicle SCTID:361385000 ovarian follicle mature ovarian follicle atretic follicle of ovary postovulatory follicle dominance antral follicle early antral follicle hemorrhagic anovulatory follicle luteinized unruptured follicle pre-selection antral follicle selection antral follicle