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Old 05-07-2011
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Question Secondary cartilaginous joints

Does anyone know what a secondary cartilaginous joint?
They've written that the symphysis pubis is a secondary cartilaginous joint!!
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Old 05-08-2011
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37 viewsss....and not even a single reply! wow...
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Old 05-08-2011
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Cartilaginous joints are connected entirely by cartilage (fibrocartilage or hyaline). Cartilaginous joints allow more movement between bones than a fibrous joint but less than the highly mobile synovial joint. An example would be the joint between the manubrium and the sternum. Cartilaginous joints also forms the growth regions of immature long bones and the intervertebral discs of the spinal column.

Primary cartilaginous joints

Known as "synchondroses". Bones are connected by hyaline cartilage or fibrocartilage, sometimes occurring between ossification centers. This cartilage may ossify with age.

Examples are the "growth plates" between ossification centers in long bones. These joints here allow for only a little movement, such as in the spine or ribs.

Secondary cartilaginous joints

Known as "symphyses". Fibrocartilaginous joints, usually occurring in the midline.

Examples would be the manubriosternal joint (between the manubrium and the sternum), intervertebral discs, and the pubic symphysis.

Articulating bones at a symphysis are covered with hyaline cartilage and have a thick, fairly compressible pad of fibrocartilage between them
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