Chapter 8 Joints - Chapter 8: Joints BONNIE S. GUNN...

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BONNIE S. GUNN Chapter 8: Joints
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Classification of joints Movement of skeleton at points of articulation  (joints) where two or more bones meet. Structural:  whether a joint cavity is present Fibrous Cartilaginous Synovial Functional:  the amount of movement Synarthroses:  immoveable Amphiarthroses:  slightly moveable Diarthroses:  freely moveable joints
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Fibrous joints Fibrous tissue with no cavity Sutures Seams between bones (e.g. skull) Syndesmoses Bones connected by a ligament, with little movement Gomphoses Peg-in-socket connection, found in teeth
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Fibrous joints
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Cartilaginous joints Connection by cartilage (of course…) Synchondroses Bar of hyaline cartilage (i.e. epiphyseal plate)
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Symphyses Connections of fibrocartilage (e.g. intervertebral  disks and pubic symphyses Cartilaginous joints
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Synovial joints Articulating bones are separated by a fluid- containing cavity Most joints of the body fall into this category (e.g.,  Most joints of the body fall into this category (e.g.,  limbs) limbs)
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Characteristics of synovial joints
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Chapter 8 Joints - Chapter 8: Joints BONNIE S. GUNN...

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