Collagen: provide great tensile strength
Elastin: stretch easily
what is collagen secreted by
Mostly collagen and some elastin.
yes
Collagen and elastin
The fibroblast cells' extremely important function is to make collagen and elastin.
Collagenous fibers are the white fibers consisting of the protein collagen, common in connective tissues, including bone matrix as on the other hand Elastin fibers are stretchy yellow connective tissue fibers consisting of the protein elastin.
The main causes of sagging skin on the face with age are decreased production of collagen and elastin, loss of fat and muscle tone, and the effects of gravity over time. Sun exposure, smoking, and genetics can also contribute to the breakdown of skin elasticity, leading to sagging.
Elastin and Collagen
Elastin and collagen.
TESTIS
collagenis the fat like layer in the dermis:elastinis the curl or spiral-like right next to the collagen indermis';
Old age - loss of elastin which is replaced by collagen PLUS plaque (mainly cholesterol).