Ch 9 (A) Notes - Bio 251 Human Anatomy & Physiology...

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Bio 251 Human Anatomy & Physiology Chapter 9 Joints
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Joints Articulations - any point where two bones meet, whether or not the bones are movable at that interface Classified by how the adjacent bones are bound to each other Bony Fibrous Cartilaginous Synovial
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Bony Joints Gap ossifies forming a single bone Immovable AKA: Synostoses Examples: Early adult – epiphyses & diaphyses of long bones Late adult – cranial sutures
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Fibrous Joints Bones bound by collagen fibers Degree of movement varies AKA: Synarthroses Examples: Sutures Gomphoses Syndesmoses
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Sutures Found only in the skull Immovable 3 types Serrate Lap Plane
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Sutures
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Gomphoses Found only between teeth and the jaw Immovable
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Syndesmoses Bound by long collagen fibers Immovable/slightly movable Examples: Shafts of radius & ulna
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Bones bound by cartilage
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Ch 9 (A) Notes - Bio 251 Human Anatomy & Physiology...

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