Thick, highly picrosirius birefringent, fibers.
Collagen I
Loose aggregates of fibrils, birefringent.
Collagen II
Thin, weakly birefringent, argyrophilic (silver-binding) fibers.
Collagen III
Skin, tendon, bone, dentin
Collage I
Cartilage, vitreous body.
Collagen II
Skin, muscle, blood vessels, frequently together with type I.
Collagen III
Resistance to tension.
Collagen I
Resistance to pressure.
Collagen II
Structural maintenance in expansible organs.
Collagen III