Oocytes
Oocytes
Oocytes (pronounced: oh-oh-sites) are female germ cells involved in reproduction. They are the cells from which eggs (or ovum) are developed.
Etymology
The term "oocyte" is derived from the Greek words "oion" meaning egg and "kytos" meaning cell.
Definition
An oocyte is a cell in an ovary which may undergo meiotic division to form an ovum. Oocytes are produced in the ovaries during fetal development, and they mature from puberty until menopause.
Types of Oocytes
There are two types of oocytes: primary oocytes and secondary oocytes.
- Primary Oocytes - These are present at birth and remain in a state of meiotic arrest until puberty.
- Secondary Oocytes - These are formed from primary oocytes after the first meiotic division. They are released during ovulation.
Related Terms
- Oogenesis - The process of oocyte development in the ovaries.
- Ovaries - The female reproductive organs where oocytes are produced.
- Meiosis - The type of cell division that produces oocytes.
- Ovulation - The process of releasing a mature oocyte from the ovary.
See Also
External links
- Medical encyclopedia article on Oocytes
- Wikipedia's article - Oocytes
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