Aims: To determine the distribution of the α1 to α6 chains of type IV collagen in Bruch’s membrane of the human posterior pole. Methods: Cryosections (10 μm) from 18 human eyes (20 months to 83 years ...

and the intestines osteogenesis imperfecta (also called brittle bone disease), caused by a problem with type I collagen Elhers-Danlos syndrome (which leads to stretchy skin and joints), often caused ...