Blastomere
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Blastomere
Blastomere (pronounced: /ˈblæstəˌmɪər/) is a type of cell produced by division of the egg after fertilization.
Etymology
The term "Blastomere" is derived from the Greek words "blastos" meaning "sprout" and "meros" meaning "part".
Definition
A Blastomere is an early embryonic cell arising during the process of cleavage, a stage during the embryogenesis in animals. These cells will eventually form the blastocyst, which will develop into the embryo.
Related Terms
- Cleavage (embryo): The process of cell division in early embryos.
- Blastocyst: A structure formed in the early development of mammals, contains blastomeres.
- Embryo: An early stage of development of a multicellular organism.
- Zygote: The cell formed by the union of two gametes; the fertilized ovum before cleavage.
- Morula: An early-stage embryo consisting of cells (called blastomeres) in a solid ball contained within the zona pellucida.
See Also
External links
- Medical encyclopedia article on Blastomere
- Wikipedia's article - Blastomere
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