FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term syndromic X-linked intellectual disability Snyder type ID (Ontology) DOID:0060802 (Human Disease)
Definition A syndromic X-linked intellectual disability characterized by mild to profound intellectual disability, facial asymmetry, marfanoid habitus, asthenic habitus, unsteady gait, thickened lower lip, nasal dysarthic speech, narrow or cleft palate, osteoporosis, kyphoscoliosis, long great toes, short stature, pectus carinatum, and myopia that has_material_basis_in mutation in the SMS gene on chromosome Xp22.
Also Known As "mental retardation, X-linked, Snyder-Robinson type" ; "Snyder-Robinson mental retardation syndrome" ; "Snyder-Robinson syndrome" (for all, see Synonyms field below)
Comment
Links to External Ontologies
DO.org
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  HUMAN_DISEASE_INTERACTIONS       1
Human Disease Models (FBhh)  DOID       1
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Human Disease Models
 syndromic X-linked intellectual disability Snyder type       1      1      1
 for disease ribbon | syndromic X-linked intellectual disability Snyder type       --       1       --
 model of | syndromic X-linked intellectual disability Snyder type       1      1       --
Spanning Tree (Parents/Children)
Only view relationship:
X-linked monogenic disease
 |__syndromic X-linked intellectual disability__
 |__X-linked recessive disease__________________|
syndromic intellectual disability               |
 |__syndromic X-linked intellectual disability__|
                                                syndromic X-linked intellectual disability Snyder type  3 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a syndromic X-linked intellectual disability
X-linked recessive disease
Part of
hide Synonyms & Secondary IDs
Synonyms
  • "mental retardation, X-linked, Snyder-Robinson type" EXACT
    "Snyder-Robinson mental retardation syndrome" EXACT
    "Snyder-Robinson syndrome" EXACT
    "spermine synthase deficiency" EXACT
    "SRS" EXACT OMO:0003012
Secondary IDs
hide External Crossreferences & Linkouts
GARD:5615
ICD10CM:Q87.8
MIM:309583
ORDO:3063