Physeal Anatomy Physeal Growth Plate (letters on left correspond to histology in top right) B. Reserve zone Cells store lipids, glycogen, and proteoglycan aggregates for later growth and matrix production Low oxygen tension   Gaucher’s diastrophic dysplasia Kneist* pseudoachondroplasia* C. Proliferative zone Proliferation of chondrocytes with longitudinal growth and stacking of chondrocytes. Highest rate of extracellular Read More →