Lecture 10 - Click to edit Master subtitle style The...

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Unformatted text preview: Click to edit Master subtitle style The Skeletal System The Skeletal System: Functions • Support • Movement • Protection • Blood cell production • Storage The Skeletal System: Structure • Comprimises three types of connective tissue • Bones • Ligaments – Dense connective tissue – Join bone to bone • Cartilage – Specialized connective tissue Bone Structure • Specialized connective tissue • Most of the mass of bones consists of nonliving extra cellular matrix • Contain several types of living bone cells, nerves, and blood vessels • Bones come in a range of sized and shapes • Most contain both compact and spongy tissue Bone Structure: Compact Bone • Very dense with few internal spaces • Hard, outer layer of bone • Osteon – Repeating structural unit of compact bone – Concentric rings of osteocytes surrounding a central canal • Osteocytes – Mature bone cells – Trapped in lacunae within hardened matrix – Connected to one another via membrane extensions Bone Structure: Spongy Bone • Latticework of thin struts of bone with open areas between • Braces bone from within Bone Structure:...
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This note was uploaded on 04/07/2008 for the course BIO 309D taught by Professor Jessicawandelt during the Spring '08 term at University of Texas.

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Lecture 10 - Click to edit Master subtitle style The...

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