Centromere
a specialized structure on the chromosome, appearing during cell division as the constricted central region where the two chromatids are held together and form an X shape.
noun
the dense nonstaining region of a chromosome that attaches it to the spindle during mitosis
centromere cen·tro·mere (sěn’trə-mēr’)
n.
The most condensed and constricted region of a chromosome to which the spindle fiber is attached during mitosis. Also called kinetochore.
centromere
(sěn’trə-mîr’)
The region of the chromosome to which the spindle fiber is attached during cell division (both mitosis and meiosis). The centromere is the constricted point at which the two chromatids forming the chromosome are joined together. See more at meiosis, mitosis.
Read Also:
- Centronics
company, hardware, printer A company in Hudson N.H., USA, best known for designing the parallel interface for printers with the same name, found on many microcomputers. [Pin-out?] (1998-03-15)
- Centronuclear myopathy
centronuclear myopathy cen·tro·nu·cle·ar myopathy (sěn’trō-nōō’klē-ər, -nyōō’-) n. Slowly progressing generalized muscle weakness and atrophy, beginning in childhood, in which the nuclei of most muscle fibers are located near the center rather than at the periphery of the fiber. Also called myotubular myopathy.
- Centrosome
a small region near the nucleus in the cell cytoplasm, containing the centrioles. Historical Examples noun a small body in a cell where microtubules are produced. In animal cells it surrounds the centriole Also called centrosphere n. 1889, from German centrosoma (1888), coined by German zoologist Theodor Boveri (1862-1915), from centro- (see center (n.)) + […]
- 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.