Age Changes in Articular Cartilage of Rabbits.


(ii) The Upper Middle Zone.-This contains rounded cells with branching irregular processes, often arranged in pairs. In addition to cytomembranes and mitochondria, many cells exhibit pinocytotic vesicles and large Golgi vacuoles, some of which open at the cell surface. The matrix immediately around each cell or between pairs contains fine fibres; the… (More)