Stickler Syndrome

**Semantic type:** Disease or Syndrome

**Definition:** A rare autosomal dominant syndrome caused by mutations in the COL11A1, COL11A2, and COL2A1 genes which affect the production of type II and XI collagen. It is characterized by a range of signs and symptoms including cleft palate, large tongue, small lower jaw, hearing loss, myopia, glaucoma, retinal detachment, skeletal, and joint abnormalities.