Source:http://linkedlifedata.com/resource/umls/id/C0460884
UMD: Biological dressings derived from collagen, a protein obtained from animals such as cows, pigs, and birds. Collagen dressings are intended to maintain a moist wound environment, absorb wound exudates, facilitate clotting, and promote wound healing by stimulating fibroblast activities; they are used mainly in wound management.