Definition: 'Usher Syndrome'
Usher syndromeType: Term
1. autosomal recessive inheritance with genetic heterogeneity; based on gene cloning and location, six forms of type I cause sensorineural hearing loss, loss of vestibular function, and retinitis pigmentosa; three forms of type II and one form of type III are characterized by hearing loss and retinitis pigmentosa.
The definition information for Usher syndrome is provided by Stedman's. You can search our medical dictionary here.