ClipArt ETC
Schematic diagram, showing epiphysis and diaphysis and line of ossification. Labels: Ep, epiphysis of endochondral bone; zpt, zone of proliferation; zc, zone of calcification; ca, cartilage.

Bone Ossification

Schematic diagram, showing epiphysis and diaphysis and line of ossification. Labels: Ep, epiphysis of…

Illustrating the ossification of the upper end of the femur and the condition of coxa vara. Labels: A, at birth; B, at second year; C, at fourth year; D, from a subject of coxa vara.

Ossification of the Femur and the Condition of Coxa Vara

Illustrating the ossification of the upper end of the femur and the condition of coxa vara. Labels:…

Ossification of superior maxilla. A, outer side. B, inner side. C, under side. Labels: a, nasal process; b, orbital plate; c, anterior nasal spine; d, infraorbital groove; e, infraorbital foramen; f, anterior palatine groove; g, palatal process; h, premaxillary suture; i, alveolar process.

Ossification of Superior Maxilla

Ossification of superior maxilla. A, outer side. B, inner side. C, under side. Labels: a, nasal process;…

Ossifying cartilage showing loops of blood vessels.

Ossifying Cartilage

Ossifying cartilage showing loops of blood vessels.

Longitudinal section of ossifying cartilage from the humerus of a fetal sheep. Calcified trabeculae are seen extending between he columns of cartilage cells (c).

Ossifying Cartilage Showing Calcification

Longitudinal section of ossifying cartilage from the humerus of a fetal sheep. Calcified trabeculae…

Osteoblasts from the parietal bone of a human embryo, thirteen weeks old. Labels: a, bony septa with cells of the lacunae; b, layers of osteoblasts; c, the latter in transition to bone corpuscles.

Osteoblasts

Osteoblasts from the parietal bone of a human embryo, thirteen weeks old. Labels: a, bony septa with…