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Joints - Anatomy & Physiology (view source)
Revision as of 15:12, 13 August 2008
, 15:12, 13 August 2008→Synovial Joints
==Synovial Joints==
==Synovial Joints==
[[Image:Synovial Joint.jpg|thumb|right|150px|Synovial Joint - Wikimedia Commons 2008]]
*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
**Encloses bone and muscle insertions within joint capsule
**Encloses bone and muscle insertions within joint capsule
**Supplied by blood vessels and nerve endings
**Supplied by blood vessels and nerve endings
*Articular cartilage covers the articular surfaces [[Image:Normal joint cartilage.jpg|right|thumb|100px|<small><center>Normal joint cartilage (Image sourced from Bristol Biomed Image Archive with permission)</center></small>]]
*Articular cartilage covers the articular surfaces
[[Image:Normal joint cartilage.jpg|right|thumb|100px|<small><center>Normal joint cartilage (Image sourced from Bristol Biomed Image Archive with permission)</center></small>]]
**Usually, this is [[Bones and Cartilage - Anatomy & Physiology#Structure and Function of Cartilage|Hyaline]], although [[Bones and Cartilage - Anatomy & Physiology#Structure and Function of Cartilage|Fibrocartilage]] or fibrous tissue can substitute
**Usually, this is [[Bones and Cartilage - Anatomy & Physiology#Structure and Function of Cartilage|Hyaline]], although [[Bones and Cartilage - Anatomy & Physiology#Structure and Function of Cartilage|Fibrocartilage]] or fibrous tissue can substitute
**Articular cartilage is avascular and insensitive
**Articular cartilage is avascular and insensitive