Definition: particular type of new cartilage produced by the epiphysis of a growing long bone; located on the epiphysial (distal) side of the zone of growth cartilage, it is a zone of relatively quiescent chondrocytes (the resting zone) of the epiphysial (growth) plate that unites the epiphysis with the shaft.
Synonym(s): cartilago epiphysialisTA, primary cartilaginous joint
See Also: epiphysial plate
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