Joint
A joint is the place where two or more bones make contact.[1] They allow movement (except for skull bones) and give mechanical support.[2]
Joints have cartilage in between them, which help to make the movement flexible. Joints are described structurally and functionally. Structural classification is how the bones connect to each other; function is the degree of movement between the articulating bones.
Synovial bursa
A synovial bursa is a small fluid-filled sac lined by a synovial membrane. It has an inner capillary layer of viscous synovial fluid (bit like raw egg white). The bursa is a cushion between bones and tendons and/or muscles around a joint. This helps to reduce friction between the bones and allows free movement.
Joint Media
Types of joints based upon their structure (L to R): cartilaginous joint, fibrous joint, and synovial joint.
Skeleton and bones - Joints
References
- ↑ "Joint definition". eMedicine Dictionary. 27 April 2011. Archived from the original on 22 January 2012. Retrieved 27 January 2012.
- ↑ Ellis, Harold; Susan Standring; Gray, Henry David (2005). Gray's anatomy: the anatomical basis of clinical practice. St. Louis, Mo: Elsevier Churchill Livingstone. p. 38. ISBN 0-443-07168-3.
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