this study documents the role of mandibular epithelium and epidermal growth factor ( egf ) in the initiation , maturation and maintenance of meckel 's cartilage using percent 3h-thymidine-labelled cells as an index of proliferative activity and distribution of labelled cells , chondrocyte size and relative amount of extracellular matrix as indices of chondrogenesis .
C0007634
cells
C0225369
chondrocyte