FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term intermediate spinal muscular atrophy ID (Ontology) DOID:0050530 (Human Disease)
Definition A childhood spinal muscular atrophy that is characterized by progressive muscular weakness and respiratory failure, develops in children between the ages of 6 and 12 months and drastically reduces length of life, and has_material_basis_in mutations in the SMN1 or SMN2 genes that are required for the survival of motor neurons.
Also Known As "MUSCULAR ATROPHY, SPINAL, INFANTILE CHRONIC FORM" ; "MUSCULAR ATROPHY, SPINAL, INTERMEDIATE TYPE" ; "SMA II" (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       3
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
 intermediate spinal muscular atrophy       3      1      1
 for disease ribbon | intermediate spinal muscular atrophy       --       1       --
 model of | intermediate spinal muscular atrophy       3      1       --
Spanning Tree (Parents/Children)
Only view relationship:
autosomal genetic disease
 |__autosomal recessive disease________
spinal muscular atrophy                |
 |__childhood spinal muscular atrophy__|
                                       intermediate spinal muscular atrophy  5 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a autosomal recessive disease
childhood spinal muscular atrophy
Part of
hide Synonyms & Secondary IDs
Synonyms
  • "MUSCULAR ATROPHY, SPINAL, INFANTILE CHRONIC FORM" EXACT
    "MUSCULAR ATROPHY, SPINAL, INTERMEDIATE TYPE" EXACT
    "SMA II" EXACT OMO:0003012
    "SMA2" EXACT OMO:0003012
    "spinal muscular atrophy 2" EXACT
    "spinal muscular atrophy type II" EXACT
Secondary IDs
hide External Crossreferences & Linkouts
MESH:D014897
MIM:253550
NCI:C156310
SNOMEDCT_US_2023_03_01:128212001
UMLS_CUI:C0393538