Topic 5 - Skeletal System and Cartilage 1) List the...

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Skeletal System and Cartilage 1) List the important functional aspects of the skeletal system a. Support b. Protection c. Lever arms for movement d. Hematopoietic system e. Mineral reserves f. Energy storage 2) Define the different roles of osteoblasts, osteocytes, and osteoclasts. a. Osteoblasts i. Cause bone deposition b. Osteocytes i. A osteoblast that has become trapped in the matrix it secreted ii. Destroy bone very slowly when compared to osteoclasts c. Osteoclasts i. Cause bone resoption 3) Explain the functional and micro anatomical similarities and differences between compact and cancellous bone 4) Diagram the microanatomy of compact and cancellous bone a. Compact bone i. Dense forms surface of bones ii. 80% of mass of skeleton iii. Very hard multiple stacked layers with minimal gaps b. Cancellous bone i. Porous network of bone ii. Flat bones and irregular bones iii. Most arteries and nerves of bone are found here
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iv. Trabeculae v. No true osteon (haversian system) 5) Explain how hormones maintain bone mass
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This note was uploaded on 04/03/2008 for the course BIOL 437 taught by Professor Plochocki,jeffreyoswalt,mark during the Spring '08 term at Pennsylvania State University, University Park.

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Topic 5 - Skeletal System and Cartilage 1) List the...

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