in the vessels of the muscular type , at the level of the osseous regenerate , the following changes are described : distractive rearrangement and intercalated growth ( such as activation of biosynthetic processes in endothelium , adventitium and smooth muscle ( smc ) cells ) , intensive proliferation and longitudinal reorientation of the activated smc in the middle tunic , in the larger arteries a powerful longitudinal muscular layer is formed between the endothelium and the internal elastic membrane .
C0026845
muscular
C1135918
smooth muscle