- collagen disease [DOID:854]
A connective tissue disease that characterized by connective tissue disease that has_material_basis_in inheritable defects in collagen.
- osteogenesis imperfecta [DOID:12347]
An osteochondrodysplasia that has_material_basis_in a deficiency in type-I collagen which results_in brittle bones and defective connective tissue.
- X-linked Alport syndrome [DOID:0110034]
An Alport syndrome that has_material_basis_in mutation in the gene encoding the alpha-5 chain of basement membrane collagen type IV (COL4A5).
- fibrogenesis imperfecta ossium [DOID:0080040]
A syndrome that involves abnormality of collagen synthesis in lamellar bones, with manifestations limited to the skeleton. The initial symptom is frequently spontaneous fractures.
- polymyalgia rheumatica [DOID:853]
A collagen disease that is characterized by pain, stiffness, and tenderness of the proximal muscle groups including the shoulder, pelvic girdle and the neck.
- pterygium [DOID:0002116]
A corneal disease that is characterized by a triangular tissue growth located_in cornea of the eye that is the result of collagen degeneration and fibrovascular proliferation.