Ovarian follicle

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Ovarian follicle

An Ovarian follicle is a fluid-filled sac that contains an immature egg, or oocyte. These follicles are found in the ovaries. Each month during a woman's menstrual cycle, an ovarian follicle releases an egg during ovulation.

Structure[edit | edit source]

The ovarian follicle is made up of several parts:

  • Oocyte: The immature egg within the follicle.
  • Granulosa cells: These cells surround the oocyte and produce estrogen.
  • Theca cells': These cells are located outside the granulosa cells and also produce estrogen.
  • Antrum: The fluid-filled space within the follicle.

Development[edit | edit source]

Ovarian follicles develop in stages:

Function[edit | edit source]

The main function of the ovarian follicle is to produce and release an egg for potential fertilization. The follicle also produces estrogen, which prepares the uterus for pregnancy.

Clinical significance[edit | edit source]

Problems with ovarian follicles can lead to several medical conditions, including polycystic ovary syndrome (PCOS) and infertility. Treatments for these conditions may include hormone therapy and in vitro fertilization (IVF).

See also[edit | edit source]

Ovarian follicle Resources
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