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<big><center>[[Musculoskeletal System - Anatomy & Physiology|'''BACK TO MUSCULOSKELETAL ANATOMY AND PHYSIOLOGY''']]</center></big>
 
<big><center>[[Musculoskeletal System - Anatomy & Physiology|'''BACK TO MUSCULOSKELETAL ANATOMY AND PHYSIOLOGY''']]</center></big>
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Joints comprise broadly two categories:
 
Joints comprise broadly two categories:
 
*'''Synarthroses''' form joints that are relatively rigid
 
*'''Synarthroses''' form joints that are relatively rigid
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*Allow a variable degree of movement
 
*Allow a variable degree of movement
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=='''Fibrous Joints'''==
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==Fibrous Joints==
 
*Most occur in the skull: known as '''sutures'''
 
*Most occur in the skull: known as '''sutures'''
 
**Key in development: allow extension of individual bones during growth
 
**Key in development: allow extension of individual bones during growth
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*'''Gomphosis''': attachment of tooth to bone within its socket
 
*'''Gomphosis''': attachment of tooth to bone within its socket
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=='''Cartilaginous Joints'''==
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==Cartilaginous Joints==
 
*'''Synchondroses''': eg. joints between epiphyses and diaphyses of juvenile long bones, disappear on maturity
 
*'''Synchondroses''': eg. joints between epiphyses and diaphyses of juvenile long bones, disappear on maturity
 
**Permanent synchondroses: the joint between the skull and '''hyoid'''
 
**Permanent synchondroses: the joint between the skull and '''hyoid'''
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****Strenghten the area over the discs
 
****Strenghten the area over the discs
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=='''Synovial Joints'''==
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==Synovial Joints==
 
*Articulating joints are separated by a fluid-filled joint cavity, which is bounded by a synovial membrane
 
*Articulating joints are separated by a fluid-filled joint cavity, which is bounded by a synovial membrane
 
**Synovial membrane: pink connective tissue sheet, vascular and sensitive
 
**Synovial membrane: pink connective tissue sheet, vascular and sensitive
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==Links==
 
==Links==
 
*[[Joints|Joint Pathology]]
 
*[[Joints|Joint Pathology]]
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<big><center>[[Musculoskeletal System - Anatomy & Physiology|'''BACK TO MUSCULOSKELETAL ANATOMY AND PHYSIOLOGY''']]</center></big>
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