Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Barr body
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Barr body: A microscopic feature of female cells that is due to the presence of two X chromosomes, one of which is inactive and crumples up.