Musculoskeletal System III - LECTURE SLIDES

Musculoskeletal System III - LECTURE SLIDES - M u s c u lo...

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1 Richard Connon [email protected] Musculoskeletal system III Bone development and Joints Bone Development Mesenchymal Cell Condensation Define the position and shape of the bone Mesenchymal cells form bone by two processes: • Intramembranous Ossification • Endochondral Ossification Intramembranous Ossification Direct transformation of mesenchymal cells into osteoblasts Woven bone is replaced will lamellar bone
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2 Intramembranous Ossification Condensed Mesenchyme Osteoblasts Bone trabeculae Intramembranous Ossification Cranial vault Some facial bones Parts of Mandible Clavicle Histological stains differentiate between forming bone (red) and cartilage (blue). (http://cel biology.med.unsw.edu.au) Endochondral Ossification Axial skeleton Excluding cranial vault Some facial bones Appendicular skeleton Endochondral Ossification
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3 Endochondral Ossification Endochondral Ossification Growth plate Growth plate Resting Zone (Reserve) Proliferative Zone Prehypertrophic Maturation Zone Hypertrophic Zone Calcification
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4 Endochondral Ossification Growth plate Endochondral Ossification Endochondral Ossification
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5 Endochondral Ossification Secondary centers of ossification
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This note was uploaded on 04/05/2011 for the course APC 100 taught by Professor Kelliewhited during the Spring '07 term at UC Davis.

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Musculoskeletal System III - LECTURE SLIDES - M u s c u lo...

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