Theca folliculi

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Theca folliculi
Mature late-stage tertiary (Graffian) follicle
Early folliculogenesis from primordial to early tertiary.
Latin theca folliculi
Dorlands/Elsevier t_07/12801620

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: theca interna and theca externa.

Contents

Theca interna cells express receptors for luteinizing hormone to produce androstenedione, which via a few steps, gives the granulosa the precursor for estrogen manufacturing.

After rupture of the mature ovarian follicle, the theca interna cells differentiate into the theca lutein cells of the corpus luteum. These cells secrete estradiol.

The theca externa is the outer layers of the theca folliculi. They contain abundant collagen and are mainly supportive.

 This anatomy article is a stub. You can help Wikipedia by expanding it.
v • d • e
Female reproductive system
Follicles/Folliculogenesis corpus (hemorrhagicum, luteum, albicans) • Theca folliculi (externa, interna) • Follicular antrum (Follicular fluid) • Corona radiata • Zona pellucida • Membrana granulosa (Granulosa cells)
Ovaries/Oogenesis Germinal epithelium • Tunica albuginea • cortex (Cumulus oophorus, Stroma) • Medulla
Fallopian tubes Isthmus • Ampulla • Infundibulum • Fimbria
Ligaments Broad (components: Mesovarium, Mesosalpinx, Mesometrium contents: Round of uterus, Proper of ovary) • Suspensory of ovary • Cardinal
Uterus cervix/neck (External orifice - Canal of the cervix, Internal orifice) • corpus/body (Cavity of the body, Fundus) • layers (Endometrium, Myometrium, Perimetrium)
Vulva/mons pubis Labium: commissures (Anterior • Posterior) • Frenulum labiorum pudendi • Labia majora • Cleft of venus • Labia minora • Vulval vestibule • interlabial sulci

Clitoris: Vestibular bulbs • Clitoral crura • Corpus cavernosa • Clitoral glans (Frenulum, Hood)

Vagina: vestibular glands/ducts (Bartholin's glands/Bartholin's ducts, Skene's glands/Skene's ducts) • Fossa of vestibule of vagina • Vaginal fornix • Hymen • Orifice
Vestiges Wolffian (Gartner's duct, Epoophoron, Paroöphoron) • Canal of Nuck
Other G-spot • Urethral sponge
Retrieved from "http://en.wikipedia.org/wiki/Theca_folliculi"
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