accumulation of proliferating and maturing cartilage in hypocalcemic chicks is accompanied by increased length and increased variation in length of perforating epiphyseal vessels , decreased number and abnormal arrangement of marrow spaces , an increased proportion of cells to blood vessels in marrow spaces , and a change in the distribution but not the total number of dna-synthesizing chondrocytes per unit width of growth plate .
C0007301
cartilage
C0225369
chondrocytes