Definition of "centrosome" []

• A small region of cytoplasm adjacent to the nucleus that contains the centrioles and serves to organize microtubules. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Now the centrosome, which is beside the male pronucleus, shows signs of activity."
• "It is not yet certain, however, whether the centrosome is a constant part of the cell."
• "Plainly, we must conclude that the chromatin material is something of extraordinary importance to the cell, and the centrosome is a bit of machinery for controlling its division and thus regulating cell division."