dermal cells isolated from the back skin of 7-day chick embryos were cultured on homogeneous two-dimensional substrates consisting of one or two extracellular matrix components ( type i , iii , or iv collagen , fibronectin and several glycosaminoglycans ( gags ) : hyaluronate , chondroitin-4 , chondroitin-6 , dermatan and heparan sulfates ) .
C0008454
chondroitin
C0011602
dermatan