The Skeletal Syste3

The Skeletal Syste3 - General Features of Bone • Long...

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The Skeletal System: Bones and Joints The skeletal system consists of bone, cartilage, tendons, and ligaments. Functions of the Skeletal System Bones support the body, protect internal organs, provide levers on which muscles act, store minerals, and produce blood cells. Cartilage provides a model for bone formation and growth, provides a smooth cushion between adjacent bones, and provides firm, flexible support. Tendons attach muscles to bones, and ligaments attach bones to bones. Connective Tissue Connective tissue consists of matrix and the cells that produce matrix. Varying amounts of collagen, proteoglycan, and mineral in the matrix determine the characteristics of the connective tissue.
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Unformatted text preview: General Features of Bone • Long bones consist of a diaphysis (shaft), epiphyses (ends), and epiphyseal (growth) plates. The diaphysis contains a medullary cavity, and the end of the epiphysis is covered by articular cartilage. Compact Bone • Compact bone tissue consists of osteons. • Osteons consist of osteocytes organized into lamellae surrounding central canals. Cancellous Bone • Cancellous bone tissue consists of trabeculae without central canals. Bone Ossification • Bone ossification is either intramembranous or endochondral. • Intramembranous ossification occurs within connective tissue membranes. • Endochondral ossification occurs within cartilage....
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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