| Symphysis | |
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| Diagrammatic section of a symphysis. | |
| Gray's | subject #70 285 |
| Dorlands/Elsevier | s_31/12776046 |
A symphysis is a fibrocartilaginous fusion between two bones. Introduction ( Joints or Articulations Sutural ligament Fibrocartilages Elsevier, the world's largest Publisher of Medical and Scientific literature, forms part of the Reed Elsevier group Cartilage is a type of dense Connective tissue. It is composed of specialized cells called chondrocytes that produce a large amount of extracellular matrix It is a type of cartilaginous joint. Cartilaginous joints are connected entirely by Cartilage ( Fibrocartilage or Hyaline)
Unlike synchondroses, symphyses are permanent. Where the connecting medium is Cartilage, a Joint is termed a synchondrosis. [1]
Examples
The more prominent symphyses are:
- the pubic symphysis
- the symphyses between the bones of the skull, most notably the mandible (symphysis menti)
- sacrococcygeal symphysis
References
- ^ Module - Introduction to Joints. The pubic symphysis is the midline cartilaginous Joint (secondary cartilaginous uniting the superior rami of the left and right pubic bones. The mandible (from Latin mandibula, "jawbone" or inferior maxillary bone forms the lower Jaw and holds the lower teeth in place The external surface of the Mandible is marked in the median line by a faint ridge indicating the symphysis menti or line of junction of the two pieces of which the bone is The sacrococcygeal symphysis ( sacrococcygeal articulation, articulation of the sacrum and coccyx) is an Amphiarthrodial joint formed between the oval surface Retrieved on 2008-01-29. 2008 ( MMVIII) is the current year in accordance with the Gregorian calendar, a Leap year that started on Tuesday of the Common Events 904 - Sergius III comes out of retirement to take over the papacy from the deposed Antipope Christopher.
External links
eMedicine is an online clinical medical knowledge base that was founded in 1996 by Scott Plantz and Richard Lavely two medical doctorsDictionary
symphysis
-noun
- The process of two, originally separate bones growing together as the mammalian subject matures, as with the pubic bones or lower jawbones in humans.
- A line discernable on x-ray showing such fusion.
- The cartilaginous material that adjoins and facilitates the junction of such bones, with or without synovia.
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