Definitions for "Centrosome"
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.
A specialized area of condensed cytoplasm that contains the centrioles, the two cylindrical organelles containing microtubules; centrioles migrate to opposite poles of the cell during cell division and serve to organize the spindles. They are capable of independent replication. See this in the diagram of cell division shown above.
Centrally located organelle of animal cells that is the primary microtubule-organizing center and is duplicated to form the spindle poles during mitosis. In most animal cells it contains a pair of centrioles.