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a small region near the nucleus in the cell cytoplasm, containing the centrioles.
Historical Examples

a small body in a cell where microtubules are produced. In animal cells it surrounds the centriole Also called centrosphere

1889, from German centrosoma (1888), coined by German zoologist Theodor Boveri (1862-1915), from centro- (see center (n.)) + -some (3)).

centrosome cen·tro·some (sěn’trə-sōm’)
A small region of cytoplasm adjacent to the nucleus that contains the centrioles and serves to organize microtubules. Also called cytocentrum, microcentrum.
A specialized region of the cytoplasm that is located next to the nucleus of a cell and contains the centrioles. The cells of most eukaryotes except plants have centrosomes.


Read Also:

  • Centrostaltic

    centrostaltic cen·tro·stal·tic (sěn’trō-stôl’tĭk, -stāl’-) adj. Relating to or being the center of motion.

  • Centrosphere

    Cell Biology. the protoplasm around a centrosome; the central portion of an aster, containing the centrosome. Geology. the central or interior portion of the earth. Historical Examples noun a former name for core (sense 4) another name for centrosome centrosphere cen·tro·sphere (sěn’trə-sfēr’) n. The mass of cytoplasm surrounding the centriole in a centrosome.

  • Centrosymmetric

    symmetric in relation to a center.

  • Centre of mass

    noun the point at which the mass of a system could be concentrated without affecting the behaviour of the system under the action of external linear forces

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