polar body
one of the minute cells arising from the unequal meiotic divisions of the ovum at or near the time of fertilization.
Origin of polar body
1Words Nearby polar body
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use polar body in a sentence
The discovery by Btschli of the spindle and its relation to the polar body has been of very great value.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourAt one point is situated a polar body and usually at the pole opposite to it a corresponding prominence.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourIn the meantime, typically, a third polar body is formed by division of the first.
Being Well-Born | Michael F. GuyerIn consequence both remain in the egg or both pass into the polar body.
Sex-linked Inheritance in Drosophila | Thomas Hunt MorganIn Fig. 10b the chromosomes are seen paired and ready for the first division; that is, for the formation of the first polar body.
Being Well-Born | Michael F. Guyer
British Dictionary definitions for polar body
physiol a tiny cell containing little cytoplasm that is produced with the ovum during oogenesis when the oocyte undergoes meiosis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for polar body
One of the small cells that are produced during the development of an oocyte and ultimately degenerate. A polar body contains one of the nuclei derived from the first or second meiotic division but little or no cytoplasm. See Note at oogenesis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Browse