nonphotosensitive trichothiodystrophy 4 (DOID:0050528)
Alliance: disease page
Synonyms: AMISH BRITTLE HAIR BRAIN SYNDROME; BIDS syndrome; HAIR-BRAIN SYNDROME; TTD4
Alt IDs: OMIM:234050
Definition: A syndrome that is characterized by brittle hair, short stature, decreased fertility and cognitive impairment without photosensitivity has_material_basis_in mutations in the TTDN1 gene.