Barr bodyBarr body
a structure found on the inside of the nuclear membrane of female cells that takes a dark stain and indicates by its presence the sex of the individual
Origin of Barr bodyafter M. L. Barr (1908-95), Canadian anatomist
The condensed, inactive X-chromosome found in the nuclei of somatic cells of most female mammals. Also called sex chromatin.
Origin of Barr bodyAfter Murray Llewellyn Barr, (1908–1995), Canadian anatomist.