Amphiarthrosis
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| Amphiarthrosis | |
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| Anatomical terminology |
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Amphiarthrosis is a type of continuous, slightly movable joint.[1] Most amphiarthroses are held together by muscles, as a result of which limited movements between the bones are made possible. An example is the joints of the vertebral column, which only allow for small movements between adjacent vertebrae. However, when combined, these movements provide the flexibility that allows the body to twist, bend forward, backwards, or to the side.[2]
Types
In amphiarthroses, the contiguous bony surfaces can be:
- A symphysis: connected by broad flattened disks of fibrocartilage, of a more or less complex structure, which adhere to the ends of each bone, as in the articulations between the bodies of the vertebrae or the inferior articulation of the two hip bones (aka the pubic symphysis). The strength of the pubic symphysis is important in conferring weight-bearing stability to the pelvis.
- An interosseous membrane - the sheet of connective tissue joining neighboring bones (e.g. tibia and fibula).[3]
References
Public domain This article incorporates text in the public domain from Template:Wikidatathe 20th edition of Gray's Anatomy (1918)
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- ^ Page Module:Citation/CS1/styles.css has no content."Module - Introduction to Joints". University of Michigan Medical School. Archived from the original on 17 January 2008. Retrieved 2008-01-29.
- ^ Template:CC-notice Page Module:Citation/CS1/styles.css has no content.Betts, J Gordon; Desaix, Peter; Johnson, Eddie; Johnson, Jody E; Korol, Oksana; Kruse, Dean; Poe, Brandon; Wise, James; Womble, Mark D; Young, Kelly A (May 14, 2023). Anatomy & Physiology. Houston: OpenStax CNX. 9.0 Joints: Introduction. ISBN 978-1-947172-04-3.
- ^ Principles of Anatomy & Physiology, 12th Edition, Tortora & Derrickson, Pub: Wiley & Sons
External links
- Page Module:Citation/CS1/styles.css has no content."Amphiarthrosis". British Columbia Institute of Technology. Archived from the original on 5 January 2007. Retrieved 19 June 2009.
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