theca

https://doi.org/10.1351/goldbook.11300

Bilayer covering of the ovarian follicle (thus theca interna and externa), of which the theca interna is involved in production of androstenedione.

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 813 [Terms] [Paper]