Doncouse_Jeremy_Week6

Doncouse_Jeremy_Week6 - Running head: Chapter 6 1 Week 6...

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Running head: Chapter 6 1 Week 6 Written Assignment: Chapter 6 Jeremy Doncouse Mountain State University
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Running head: Chapter 6 2 Chapter 6: Bone and Bone Tissue Bone Structure 1. Describe the gross anatomy of a typical long bone and flat bone. Indicate the locations and functions of red and yellow marrow, periosteum and endosteum. Long bones have the same general structure consisting of a shaft, bone ends, and membranes. The diaphysis forms the shaft of the bone and is made of compact bone surrounding a central medullary cavity which contains yellow marrow in adults. The epiphyses are the ends of the bones made of compact bone on the exterior and spongy bone on the interior. The joint surfaces of the epiphyses are covered by hyaline cartilage. Between the diaphysis and epiphysis is the epiphyseal line (epiphyseal plate) sometimes called the metaphysis. The external surface of long bones is covered by periosteum, a double-layered membrane. The periosteum is supplied with nerve endings, lymphatic vessels, and blood vessels which enter the diaphysis via nutrient foramina. The outer layer is dense irregular connective tissue. The inner layer is comprised of osteoblasts, osteogenic cells, and osteoclasts. The periosteum provides an anchoring point for tendons and
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This note was uploaded on 03/08/2011 for the course BIO 215 taught by Professor Amirafshar during the Fall '10 term at Mountain State.

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Doncouse_Jeremy_Week6 - Running head: Chapter 6 1 Week 6...

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