Barr body

(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

"Barr body." Taber's Medical Dictionary, Taber's Online, https://www.unboundmedicine.com/medline/view/Tabers-Dictionary/742294/all/Barr_body. Accessed 18 November 2018.

Barr body. Taber's Medical Dictionary, Taber's Online. Retrieved from https://www.unboundmedicine.com/medline/view/Tabers-Dictionary/742294/all/Barr_body

Barr body. Taber's Online. Taber's Medical Dictionary. https://www.unboundmedicine.com/medline/view/Tabers-Dictionary/742294/all/Barr_body.

Taber's Medical Dictionary [Internet]. Barr body; Taber's Online. [cited 2018 November 18]; Available from: https://www.unboundmedicine.com/medline/view/Tabers-Dictionary/742294/all/Barr_body

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