ALL meanings of barr body
Barr body
B b - noun barr 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 3
- noun barr body a condensed, inactivated X chromosome present in most female mammals in the nuclei of all cells except the germ cells: used, as in sports competitions, to verify that an individual is genetically female. 1
- noun barr body (biology) A sex chromosome inactivated by packing in heterochromatin. 0