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Types of Collagen
| Question | Answer |
|---|---|
| Most common type of collagen | Type 1 |
| Decreased in osteogenesis imperfecta | type 1 |
| Found in bone (made by osteoblast) | type 1 |
| Found in skin | type 1 and type 3 |
| Found in tendon | type 1 |
| Found in dentin | type 1 |
| Found in fascia | type 1 |
| found in cornea | type 1 |
| Found in late wound repair | type 1 |
| Found in cartilage | type 2 |
| Found in vitreous body | type 2 |
| Found in nucleus pulposus | type 2 |
| Reticulin | type 3 |
| Found in blood vessels | type 3 |
| Found in uterus | type 3 |
| Found in fetal tissue | type 3 |
| Found in granulation tissue | type 3 |
| Found in basement membrane | type 4 |
| Found in basal lamina | type 4 |
| Found in lens | type 4 |
| deficient in type 3 collagen | Vascular type of Ehlers- Danlos syndrome |
| defective type 4 collagen | Alport syndrome, Goodpasture |