2.Hypovitaminosis A causes hydrocephalus by altering CSF resorption at the arachnoid granulations.
维他命A不足也会造成蜘蛛膜对脑脊液出障碍。
3.As the estrogen is combined with osteoclast, it can inhibit the activity of lysomal enzyme, inhibit bone resorption and decrease the ability of osteclast on forming cavate in bone slice.