ovarian follicle

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follicle

 [fol´ĭ-k'l]
a sac or pouchlike depression or cavity. adj., adj follic´ular.
atretic ovarian follicle an involuted ovarian follicle.
dental follicle the structure within the substance of the jaws enclosing a tooth before its eruption; the dental sac and its contents.
gastric f's lymphoid masses in the gastric mucosa.
graafian follicle see graafian follicle.
hair follicle one of the tubular invaginations of the epidermis enclosing the hairs, and from which the hairs grow.
Diagram of a hair follicle showing layers of hair schematically. From Copstead, 1995.
lymph follicle (lymphatic follicle)
2. lymphatic nodule (def. 2).
Naboth's f's (nabothian f's) Naboth's cysts.
ovarian follicle the ovum and its encasing cells, at any stage of its development.
primary ovarian follicle an immature ovarian follicle consisting of an immature ovum and the few specialized epithelial cells surrounding it.
primordial ovarian follicle an ovarian follicle consisting of an ovum enclosed by a single layer of cells.
sebaceous follicle a hair follicle with a relatively large sebaceous gland, producing a relatively insignificant hair.
solitary f's
1. areas of concentrated lymphatic tissue in the mucosa of the colon.
2. small lymph follicles scattered throughout the mucosa and submucosa of the small intestine. Called also solitary glands.
thyroid f's discrete cystlike units filled with a colloid substance rich in iodine; they constitute the lobules of the thyroid gland.
vesicular ovarian follicle graafian follicle.

o·var·i·an fol·li·cle

one of the spheroidal cell aggregations in the ovary containing an oocyte.

ovarian follicle

n.
A cavity in the ovary containing a maturing ovum surrounded by its encasing cells.

o·var·i·an fol·li·cle

(ō-var'ē-ăn fol'i-kĕl)
One of the spheric cell aggregations in the ovary containing an oocyte.

ovarian follicle

the group of cells that surrounds, envelops and probably nourishes the developing oocyte in most animals. see GRAAFIAN FOLLICLE. In vertebrates the ovarian follicle produces OESTROGEN.
References in periodicals archive ?
Anti-mullerian hormone and antral follicle count as predictors of ovarian response in assisted reproduction.
The IVM procedure is composed of manual removal of cumulus-oocyte complexes (COCs) from antral follicles and their culturing them under cell culture circumstances until attainment of metaphase II.
This hormone is expressed by the granulosa cells of the primary follicles, specifically in the preantral and small antral follicles. The expression is decreased in the large antral follicles (18,19).
Premenstrual administration of gonadotropin-releasing hormone antagonist coordinates early antral follicle sizes and sets up the basis for an innovative concept of controlled ovarian hyper-stimulation.
Infertile women below the age of 40 have similar anti-Mullerian hormone levels and antral follicle count compared with women of the same age with no history of infertility.
It can be concluded that a decrease in atresia and an increase in the number of antral follicles can be attributed to diminishing VEGF-A levels.
[18] However, this may be transient, as recovery of antral follicles from the primordial follicle pool happens with time.
Relationships among vasculature, mitotic activity, and endothelial nitric oxide synthase (eNOS) in bovine antral follicles of the first follicular wave.
In Wistar rats, it has been reported that postnatal administration of dihydrotestosterone affects follicular development in the adult stage, causing the increase of preantral follicles, decrease of antral follicles, and appearance of follicular cysts [27].
Previous studies indicate that oocyte-derived GDF9 and BMP15 support the follicle growth in the pre-antral and antral follicle stages, and they also play a role in the regulation of oocyte development and maturation (18,19).
The test is intended for use in conjunction with other clinical and laboratory findings, which includes antral follicle count, before starting fertility therapy.
One way ANOVA test showed the difference was statistically significant when mean value of number of antral follicle (<0.001) and diameter of antral follicles (0.004) of groups A, B, C, D and E were compared among one another (Table 4, Fig.