(băr)

[Murray L. Barr, Canadian anatomist, 1908-1995]
Sex chromatin mass seen within the nuclei of normal female somatic cells. According to the Lyon hypothesis, one of the two X chromosomes in each somatic cell of the female is genetically inactivated. The Barr body represents the inactivated X chromosome.

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Citation

TY - ELEC T1 - Barr body ID - 742294 PB - Taber's Medical Dictionary UR - https://www.unboundmedicine.com/medline/view/Tabers-Dictionary/742294/all/Barr_body ER -