Histology of Ovary

Gametogenesis in the female is referred to as oogenesis. The ovary is the organ where gametogenesis (oogenesis) occurs. Ovulation is the release of an oocyte and occurs every 28-30 days. The developing gametes are called oocytes. The
a mature gamete is an ova.
Histology of the Ovary
The ovary is covered with germinal epithelium. Underneath the germinal epithelium is connective tissue called the tunica albuginea. The outer region of the ovary is called the cortex. The inner region of the ovary is called the medulla. Histology hint from Sarah Bellham: The outer region of some other organs is also sometimes called a cortex. The inner/middle region of some other organs is also sometimes called a medulla. The ovarian follicle contains the oocyte.
Primordial Follicle
A primordial follicle is a primary oocyte in the outer region of the cortex. It is arrested in the first meiotic prophase. It is surrounded by flattened follicular epithelial cells.
Primary Follicle
The primary follicle is marked by the surrounding of flattened (squamous) follicular cells becoming cuboidal and the oocyte becomes bigger.
Secondary Follicle
The presence of the antrum is a characteristic of a secondary follicle. A follicle at this stage is also called an "antral follicle".
Graffian Follicle
The mature follicle is also called the Graffian follicle. The follicle which is ovulated in the Graffian follicle. The connective tissue layer around the primary follicle is the theca folliculi. The follicular cells are granulosa cells. The acidophilic glycoprotein coat surrounding the oocyte is the zona pellucida. A cavity within the
follicle is the antrum.
Corpus Luteum
"Yellow body". The corpus luteum forms from a Graaffian follicle after the release of the oocyte.
Corpus Albicans
"White body". Remnant from corpus luteum.
The histological section comprises stroma and parenchyma
The stroma is thin and represented by thick collagenous fibres
The parenchyma represented by the ovarian follicles
3. he ovarian follicles (early primary follicle, late primary follicle, antral follicle, mature Graafian follicle) are
all in different stages of development
4. A mature Graafian follicle comprises of following structures
a) The follicle encloses in a spacious cavity the antrum filled with watery fluid the liquor folliculi
b) The follicle is covered by theca interna and theca externa
c) At one core there is an aggregation of granulosa cells to form a stalk like structure holding the mature
oocyte is called discus proligerus or cumulus oophorus
d) The ovum has a distinct nucleus
e) The ovum is surrounded by follicular cells called corona radiata
5) There is a presence of corpus luteum (deposition of lutin granules)
6) Sections of blood vessels are present

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[@Dr.KareemaTabassum]

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I am always confused over histological drawing.This helps me a lot.

[@Dr.KareemaTabassum]

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[@sakilahmed5904]

Is there any difference between germinal epithelium and tunica Albuginea?
Can I write : cortex is linned by the germinal epithelium known as tunica Albuginea.

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