| Theca of follicle | |
|---|---|
| Latin | theca folliculi |
The theca folliculi comprise a layer of the ovarian follicles. They appear as the follicles become tertiary follicles.
The theca are divided into two layers, the theca interna and the theca externa.
The theca folliculi are responsible for the production of androstenedione, and indirectly the production of 17β estradiol, also called E2, by supplying the neighboring granulosa cells with androstenedione that with the help of the enzyme aromatase can be used as a substrate for this type of estradiol.
See also
External links
- Histology at BU 14805loa
- Organology at UC Davis Reproductive/mammal/ovary2/ovary5 - "Mammal, canine ovary (LM, High)"
- Organology at UC Davis Reproductive/mammal/ovary5/ovary6 - "Mammal, bovine ovary (LM, Medium)"
- UIUC Histology Subject 372 - interna
- UIUC Histology Subject 373 - externa
- Anatomy Atlases - Microscopic Anatomy, plate 13.249
- Slide at trinity.edu
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