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 Ring chromosome
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Ring chromosome: A structurally abnormal chromosome in which the end of each chromosome arm has been lost and the broken arms have been reunited to form a ring. A ring chromosome is denoted by the symbol r.