this was associated with the absence ( compared with normal cartilage ) of the c-propeptide of type ii collagen ( chondrocalcin ) from the extracellular matrix of epiphyseal cartilages , although it was detected ( as in normal cartilages ) in the lower hypertrophic zone of the growth plate in association with calcifying cartilage .
C0225371
matrix of
C0007301
cartilage