theca


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Related to theca: theca folliculi

theca

 [the´kah] (L.)
a case or sheath. adj., adj the´cal.
theca cor´dis pericardium.
theca folli´culi an envelope of condensed connective tissue surrounding a vesicular ovarian follicle; it is composed of an internal vascular layer (theca interna) and an external fibrous layer (theca externa).

the·ca

, pl.

the·cae

(thē'kă, thē'sē),
A sheath or capsule.
[G. thēkē, a box]

theca

/the·ca/ (the´kah) pl. the´cae   [L.] a case or sheath.the´cal
theca folli´culi  an envelope of condensed connective tissue surrounding a vesicular ovarian follicle, comprising an internal vascular layer (tunica interna) and an external fibrous layer (tunica externa) .

theca

(thē′kə)
n. pl. the·cae (-sē′, -kē′)
A case, covering, or sheath, such as the covering of the pollen sacs of an anther or the thick cell wall of certain dinoflagellates.
the′cal (-kəl) adj.

theca

[thē′kə] pl. thecae,
a sheath or capsule, such as the theca cordis or pericardium.

the·ca

, pl. thecae (thē'kă, -sē)
A sheath or capsule.
[G. thēkē, a box]

theca

A casing, outer covering or sheath.

theca

  1. a sheath or case.
  2. the protective sheath surrounding the GRAAFIAN FOLLICLE.
  3. an obsolete term for ASCUS.

theca

pl. thecae [L.] a case or sheath.
theca cell
an epithelioid cell of the corpus luteum.
theca cordis
pericardium.
theca folliculi
an envelope of condensed connective tissue surrounding a vesicular ovarian follicle, comprising an internal vascular layer (theca interna) and an external fibrous layer (theca externa).
granulosa theca cell tumor
may secrete estrogen and progesterone in dogs and cause persistent or irregular estrus, alopecia, enlargement of nipples and vulva. Uterine changes range from cystic endometrial hyperplasia to pyometra.
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References in periodicals archive ?
Bovine theca and granulose cells interact to promote androgen production.
Chapter 11: Dynamics of ovarian function: folliculogenesis, oogenesis, and ovulation
Additionally, it was impossible to examine the theca of G.
Cyst-theca relationships of Gonyaulacales and Peridiniales (Dinophyceae) from Bahia Concepcion, Gulf of California
Granulosa and theca cells were hyper-reactive for lipase.
Uterine artery interruption: evidence for follicular growth and histochemical and biochemical changes
Weak TNF-[alpha] expression was seen in theca layer (p<0.
The Effect of Curcumin on TNF-[alpha], IL-6 and CRP Expression in a Model of Polycystic Ovary Syndrome as an Inflammation State
Hyperreactio luteinalis (HL) refers to moderate to marked cystic enlargement of the ovaries due to multiple benign theca lutein cysts.
Hyperreactio luteinalis with partial molar pregnancy
However, many studies indicate that GDF9 and BMP15 have critical roles in ovarian architecture of most species and are essential factors for adequate follicular development, interfering considerably in the function, growth and formation of granulosa and theca cells during the growth of the follicle (Vitt and Hsueh, 2001; Otsuka et al.
Role of growth differentiation factor 9 and bone morphogenetic protein 15 in ovarian function and their importance in mammalian female fertility--a review
Cystic follicles, fluid filled, having a thickened theca cell layer and a thin granulose layer, were identified and their number was counted8.
EFFECT OF NIGELLA SATIVA ON NUMBER OF CYSTIC FOLLICLES IN LETROZOLE INDUCED POLYCYSTIC OVARIES IN MICE
The differential diagnosis for adnexal mass is broad and includes follicular or corpus luteum cysts, mature teratoma, theca lutein cyst, hydrosalpinx, endometrioma, cystadenoma, pedunculated leiomyoma, luteoma, as well as malignant neoplasms of epithelial, germ cell, and sex cord-stromal origin (J Ultrasound Med.
Management of adnexal masses in pregnancy
Granulosa cells were appeared between the theca and the plasma membrane of the oocyte.
Evaluation the quality of the oil waste histological changes in the ovaries of the whipfin fish, Gerres filamentosus (Cuvier, 1829) during the reproductive cycle in the Hurghada Red Sea, Egypt
The high level of LH stimulates the cells of the stroma and theca to produce androgens, mainly androstenedione and testosterone.
Valproate, bipolar disorder and polycystic ovarian syndrome/Valproat, bipolarni poremecaj i sindrom policisticnih jajnika
In women with PCOS, though, the insulin resistance is commonly associated with hyperinsulinemia, which then enhances the production of androgens by the ovarian theca cells, leading to a reduction in circulating levels of SHBG, which leads to increased levels of free testosterone.
These are a few of my favorite things: research highlights from 2015
This therapy appears to influence steroidogenesis directly, reducing the androgen production in theca cells.
Prospective randomized study on the influence of myoinositol in PCOS women undergoing IvF in the improvement of oocyte quality, fertilization rate, and embryo quality

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