Definition of Centrosome

1. Noun. Small region of cytoplasm adjacent to the nucleus; contains the centrioles and serves to organize the microtubules.

Exact synonyms: Central Body
Generic synonyms: Cytol, Cytoplasm
Derivative terms: Centrosomic

Definition of Centrosome

1. n. A peculiar rounded body lying near the nucleus of a cell. It is regarded as the dynamic element by means of which the machinery of cell division is organized.

Definition of Centrosome

1. Noun. (biology) An organelle, near the nucleus in the cytoplasm of most organisms, that controls the organization of its microtubules ¹

¹ Source:

Definition of Centrosome

1. [n -S]

Medical Definition of Centrosome

1. The microtubule organising centre which, in animal cells, surrounds the centriole and which will divide to organise the two poles of the mitotic spindle. By directing the assembly of a cells skeleton, this organelle controls division, motility and shape. Origin: Gr. Soma = body This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Centrosome

centromere banding stain
centromeric index
centromeric sequence
centronuclear myopathy
centrosome (current term)
centrum medianum
centrum medullare
centrum of a vertebra
centrum ovale
centrum semiovale

Literary usage of Centrosome

Below you will find example usage of this term as found in modern and/or classical literature:

1. Science by American Association for the Advancement of Science (1901)
"SCIENCE. centrosomes. This case gives the transition to the usual types (Ascaris, cleavage, etc.) where the extra-nuclear centrosome divides bodily. ..."

2. The Cell in Development and Inheritance by Edmund Beecher Wilson (1911)
"C. THE centrosome Existing views regarding the functions of the centrosome may conveniently be arranged in two general groups, the first including those ..."

3. Fecundation in Plants by David Myers Mottier (1904)
"We do not know with absolute certainty that the centrosome divides, although the evidence ... In the diatoms, however, the behavior of the centrosome during ..."

4. The American Naturalist by American Society of Naturalists, Essex Institute (1894)
"The Egg-centrosome."—Dr. H. Mertens finds that the so-called ... The identification of these bodies with the centrosome is the point of chief interest. ..."

5. The Elementary Principles of General Biology by James Francis Abbott (1914)
"Nature of the centrosome. — The centrosome, from the leading part it appears to play in cell division, has been the object of very careful research. ..."

6. Biological Lectures Delivered at the Marine Biological Laboratory of Wood's by Marine Biological Laboratory (Woods Hole, Mass.) (1895)
"Moreover, the centrosome may sever its connection with the radial rays, as indicated by the formation of a clear space around it, and finally, ..."

7. Biology: An Introductory Study for Use in Colleges by Herbert William Conn (1912)
"THE centrosome Near the nucleus in many cells may be found a minute body (Fig. ... The centrosome is usually lacking in the cells of the higher plants. ..."

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