Histology section of a mature ovarian follicle. The oocyte is the large, round, pink-staining cell at top center of the image.
Details
Precursor
Cortical cords
Identifiers
Latin
folliculus ovaricus
MeSH
D006080
TA98
A09.1.01.013
TA2
3482
FMA
18640
Anatomical terminology
[edit on Wikidata]
An ovarian follicle is a roughly spheroid cellular aggregation set found in the ovaries. It secretes hormones that influence stages of the menstrual cycle. At the time of puberty, women have approximately 200,000 to 300,000 follicles,[1][2] each with the potential to release an egg cell (ovum) at ovulation for fertilization.[3] These eggs are developed once every menstrual cycle with around 450–500 being ovulated during a woman's reproductive lifetime.[4]
^McGee, Elizabeth A.; Hsueh, Aaron J. W. (2000). "Initial and Cyclic Recruitment of Ovarian Follicles". Endocrine Reviews. 21 (2): 200–214. doi:10.1210/edrv.21.2.0394. PMID 10782364.
^Krogh D (2010). Biology: A Guide to the Natural World. Benjamin-Cummings Publishing Company. p. 638. ISBN 978-0-321-61655-5.
^"What Is an Ovarian Follicle?". wiseGEEK.org. wiseGEEK. Archived from the original on 24 May 2015. Retrieved 24 May 2015.
An ovarianfollicle is a roughly spheroid cellular aggregation set found in the ovaries. It secretes hormones that influence stages of the menstrual cycle...
folliculogenesis. In biology, folliculogenesis is the maturation of the ovarianfollicle, a densely packed shell of somatic cells that contains an immature...
Ovarianfollicle dominance is the process where one or more follicles are selected per cycle to ovulate. In female mammals, each ovulatory cycle, or menstrual...
The outer layer is the ovarian cortex, consisting of ovarianfollicles and stroma in between them. Included in the follicles are the cumulus oophorus...
theca folliculi comprise a layer of the ovarianfollicles. They appear as the follicles become secondary follicles. The theca are divided into two layers...
Ovarianfollicle activation can be defined as primordial follicles in the ovary moving from a quiescent (inactive) to a growing phase. The primordial follicle...
An antral or secondary follicle, also known as Graafian follicle and tertiary follicle, is an ovarianfollicle during a certain latter stage of folliculogenesis...
ovaries. In women, this event occurs when the ovarianfollicles rupture and release the secondary oocyte ovarian cells. After ovulation, during the luteal...
cysts: Follicular cyst, the most common type of ovarian cyst. In menstruating women, an ovarianfollicle containing the ovum (an unfertilized egg) normally...
in the germinal epithelium, which gives rise to the development of ovarianfollicles, the functional unit of the ovary. Oogenesis consists of several sub-processes:...
belonging to the human microbiome and focuses on the oral, vaginal, ovarianfollicle, uterus and the male reproductive tract microbiota. The "reference"...
multiple (poly) ovarian cysts. These "cysts" are in fact immature ovarianfollicles. The follicles have developed from primordial follicles, but this development...
mounting levels of estrogen, which is released by the antral follicle (a mature ovarianfollicle) into the blood circulation. Peak levels of estrogen are...
vitro maturation (IVM) is the technique of letting the contents of ovarianfollicles and the oocytes inside mature in vitro. It can be offered to women...
fertility medications to induce ovulation by multiple ovarianfollicles. These multiple follicles can be taken out by oocyte retrieval (egg collection)...
oocyte or egg) in the ovary of mammals. In the primordial ovarianfollicle, and later in follicle development (folliculogenesis), granulosa cells advance...
moderate levels of estradiol, and inhibin A. It is the remains of the ovarianfollicle that has released a mature ovum during a previous ovulation. The corpus...
that the follicle contained the oocyte, although he never observed it. The mature stage of the ovarianfollicle is called the Graafian follicle in his honor...
Primary ovarian insufficiency (POI), also called premature ovarian insufficiency, premature menopause, and premature ovarian failure, is the partial or...
primordial ovarianfollicles that could be used for fertilisation. There are several culture systems which can be employed to investigate ovarian and follicular...
an ovarianfollicle filled with follicular fluid. Appearance of the follicular antrum during follicular maturation is the first sign that a follicle has...
displaced ovarianfollicles Free pelvic fluid. This may be seen in more than 80% of cases Whirlpool sign of twisted vascular pedicle Underlying ovarian lesion...
Ovarian stem cells are oocytes formed in ovarianfollicle before birth in female mammals. They do not form post-natally, and are depleted throughout reproductive...
300 mm outer diameter) needle through the vaginal wall and into an ovarianfollicle, taking care not to injure nearby organs and blood vessels. The other...
is usually used in the sense of stimulation of the development of ovarianfollicles to reverse anovulation or oligoovulation. The term ovulation induction...
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