Only dermis is vascularized. Nutrients reach epidermis by diffusing through the tissue from the blood vessels. Underneath dermis is hypodermis (superficial fascia), also called subcutaneous tissue which is composed of loose connective tissue (mostly areolar and adipose).
A collagen dressing is a type of wound dressing that is made with a form of collagen to aid in the body's healing processes. Collagen is a category of structural proteins that are naturally present in almost every part of the human body and are especially common in connective tissue.
Collagen is the major structural protein in the connective tissue of animal skin and bone 1 in its purified form collagen is a bio material. Generally collagen has a wide range of application in cosmetic, biomedical, pharmaceutical, leather and film industries 2.V Spectrum The UV spetra of the collagen obtained by the enzyme solubilisation methods were measured using UV spectra photometer Deepvision 3010, India. Preparation of collagen Â­ chitosan sheet 1% collagen solution in 0.5M acetic acid was mixed with same concentration of chitosan in 0.5M acetic acid.