[Three-dimensional ultrastructure of the osteoblast and of the bone matrix in immature bone].
D000818:Animals; D001846:Bone Development; D001857:Bone Matrix / Q000648:ultrastructure*; D003094:Collagen; D008334:Mandible; D010006:Osteoblasts / Q000648:ultrastructure*; D051381:Rats; D011919:Rats, Inbred Strains
D003094:Collagen