Last revised by Mohammadtaghi Niknejad on 12 Apr 2023

Synchondroses (singular: synchondrosis) are primary cartilaginous joints mainly found in the developing skeleton, but a few also persist in the mature skeleton as normal structures or as variants.


Synchondroses are cartilaginous unions between bone composed entirely of hyaline cartilage. Most exist between ossification centers of developing bones, and gradually ossify.

Immature skeletal examples
Mature skeletal examples
Variant examples

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Cases and figures

  • Figure 1: growth plate
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