the regulation of the photometabolism of provitamin d3 to vitamin d3 , the role and significance of the side-chain metabolism of 1,25 ( oh ) 2d by the small intestine , and the metabolism of 25-oh-d to 24r,25 ( oh ) 2d by chondrocytes and its stimulation of protein synthesis in these cells are just a few issues that will require further investigation .
C0225369
chondrocytes
C0007634
cells