Term Name:	hereditary sensory and autonomic neuropathy type 1A
Synonyms:	hereditary sensory and autonomic neuropathy type IA, HSAN1A
Definition:	A hereditary sensory and autonomic neuropathy type 1 characterized by onset of sensorimotor axonal neuropathy in the first or second decades of life that has_material_basis_in heterozygous mutation in the SPTLC1 gene on chromosome 9q22.
Ontology:	Human Disease [DOID:0070152]   ( DOID:0070152 )