Mondo Description Hereditary sensory and autonomic neuropathy, type 2 (HSAN2) is an inherited disorder characterized by profound and universal sensory loss involving large and small fiber nerves, and marked hypotonia.

Disease Ontology Description A hereditary sensory neuropathy characterized by progressively reduced sensation to pain, temperature, and touch, loss of myelinated and unmyelinated fibers, and hypotonia with onset at birth or in early childhood.