Mondo Description Nonspecific X-linked intellectual deficiencies (MRX) belong to the family of sex-linked intellectual deficiencies (XLMR). In contrast to syndromic or specific X-linked intellectual deficiencies (MRXS), which also present with associated physical, neurological and/or psychiatric manifestations, intellectual deficiency is the only symptom of MRX.

Disease Ontology Description A non-syndromic intellectual disability characterized by a X-linked inheritance pattern.