Cleavage

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Cleavage (Medical)

Cleavage (pronounced: /ˈkliːvɪdʒ/) is a term used in various medical contexts, but most commonly refers to the division of cells during the process of mitosis and meiosis. The term is derived from the Old French clef, meaning "key", due to the key role this process plays in cell division and growth.

Etymology

The term "cleavage" in the context of cell division was first used in the late 19th century. It is derived from the verb "to cleave", which means "to split or divide". This is a reference to the way in which a cell splits into two during the process of mitosis or meiosis.

Related Terms

  • Mitosis: A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
  • Meiosis: A type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction.
  • Cell Division: The process by which a parent cell divides into two or more daughter cells. Cell division usually occurs as part of a larger cell cycle.
  • Cytokinesis: The physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells.

See Also

External links

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