| 释义 |
centriole Cytology.|ˈsɛntrɪəʊl|
[ad. G. centriol (T. Boveri 1895, in Verh. d. Physik.-Med. Ges. Würzburg XXIX. i. 66), f. mod.L. centriolum, dim. of centrum centre.]
A minute, apparently self-reproducing particle which is present, usu. as one of a pair, in the centrosome and which is important for its part in forming and organizing the mitotic apparatus during cell-division.
1896E. B. Wilson Cell 334 Centriole, a term applied by Boveri to a minute body or bodies..within the centrosome. In some cases not to be distinguished from the centrosome. 1912,1925[see centrosome]. 1960L. Picken Organiz. Cells vii. 269 In Gallus domesticus, the proximal centriole is a hollow sphere;..in..sea-urchins, the centriole appears as a curved disc..In the toad..the centriole is a cylindrical structure.
▸ centriolar adj. of or relating to a centriole.
1937Amer. Naturalist 71 607 The specific differentiations (cilia and basal bodies) are direct or indirect derivatives of the *centriolar complex. 1995C. Nielsen Animal Evol. ix. 71 The centriolar apparatus, which forms the basal body of the monociliate cells, is characteristic of all animal cells. |