Parent term(s)
Usher syndrome
+
Term with siblings
Usher syndrome type 2 +
retinitis pigmentosa-deafness syndrome
Usher syndrome type 1
+
Usher syndrome type 3
+
Child term(s)
Usher syndrome type 2A
Usher syndrome type 2C
Usher syndrome type 2D
denotes an 'is-a' relationship