has material basis in germline mutation in SMS syndromic X-linked intellectual disability Snyder type https://github.com/monarch-initiative/mondo/issues/4521 https://github.com/monarch-initiative/mondo/issues/4985 https://github.com/monarch-initiative/mondo/issues/5588 https://www.malacards.org/card/intellectual_developmental_disorder_x_linked_syndromic_snyder_robinson_type https://www.malacards.org/card/syndromic_x_linked_intellectual_disability_snyder_type GARD:0005615 Snyder-Robinson mental retardation syndrome Snyder-Robinson syndrome Snyder-Robinson Syndrome Snyder-Robinson syndrome (SRS) is an X-linked intellectual disability syndrome, including also hypotonia, an unsteady gait, osteoporosis, kyphoscoliosis and facial asymmetry. Severe generalized psychomotor evolving to moderate to profound global intellectual disability is also observed. X-linked intellectual disability Snyder-Robinson type intellectual developmental disorder, X-linked syndromic, Snyder-Robinson type, X-linked recessive NORD:1890 MESH:C536678 mental retardation, X-linked, syndromic, Snyder-Robinson type Orphanet:3063 X-linked intellectual disability, Snyder type X-linked mental retardation Snyder-Robinson type ICD9:758.89 MRXSSR MONDO:0010664 intellectual disability, X-linked, Snyder-Robinson type UMLS:C0796160 intellectual disability, X-linked, syndromic, Snyder-Robinson type Snyder-Robinson intellectual disability syndrome OMIM:309583 SCTID:702416008 SRS MEDGEN:162918 syndromic X-linked intellectual disability Snyder type DOID:0060802 X-linked syndromic intellectual disability disorder of polyamine metabolism