Chapter 19

Chapter 19 - Chapter 19 Overview of the Skeleton 1 The...

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Chapter 19 Overview of the Skeleton 1
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l Bones of the skeleton l Cartilages, ligaments and other connective tissues that stabilize and connect The skeletal system includes 2
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Functions of the skeletal system l Support l Storage of minerals and lipids l Blood cell production l Protection l Leverage 3
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Subdivisions of the skeleton l Axial ¡ Lies around the body’s center of gravity l Appendicular ¡ Limbs 4
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l Compact bone (dense) l Spongy bone (cancellous) ¡ trabecula Bone structure = two types of bone 5
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Classification of bones l By the shape ¡ Long ¡ Flat ¡ Short ¡ Irregular ¡ Sesamoid ¡ Sutural 6
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Classification of bones 7
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Bone Markings (Surface Features ) 8
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Bone markings l Projection that are sites of muscle and ligament attachment: ¡ Tubercle (tubercle of the rib) ¡ Tuberosity (tibial tuberosity) ¡ Trochanter (femur) ¡ Epicondyle (medial epicondyle-femur) ¡ Line (line aspera-femur) ¡ Crest (pubic crest) ¡ Process (spinous process) ¡ Spine (ischial spine) 9
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l
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This note was uploaded on 01/06/2012 for the course BIOL 2401 taught by Professor Elainefanin during the Fall '11 term at Collins.

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Chapter 19 - Chapter 19 Overview of the Skeleton 1 The...

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