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 Subtelomeric
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Subtelomeric: Below the telomere, the end of a chromosome.
For example, it has been reported that subtle subtelomeric rearrangements of the DNA are responsible for a significant proportion of unexplained cases of moderate to severe mental retardation (References: Lancet 1999;354:1659-1660,1676-1681).
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