Collagen Approximate Type Fiber Length Occurence 300nm Skin,teeth,bones,tendoms,cornea 11 300nm cartilage,invertebral discs,notochord 111 300nm skin,tendons,blood vessel/uterine walls 1V 390nm basal laminae,kidney glomerulus, eye lens capsule V 300nm cornea,interstitial tissues I 105nm cartilagenous/noncartilagenous connective tissues I川 450nm skin's basal lamina,tongue,cornea sclera,amnion VI1川 150nm minor constituent of cartilage,sclera 1 200nm minor constituent of cartilage 名 150nm minor constituent of cartilage,in cartilagenous regions undergoing transition to bone 1 Unknown minor constituent of cartilage 11 Unknown minor constituent of tendons X11川 Unknown endothelial tissues XIV Unknown fetal skin and tendon Collagen