With histological-appositional growth of bone, vessels at the top of Ranvier's groove are enclosed and changed into blood vessels adjacent to the layer of germinal cells in the epiphyseal as the growth processes go on. 骺软骨内生发层细胞附近的血管源于Ranvier氏沟顶部的血管,是随骺软骨外加生长被包埋进骺软骨内。