A.1%~3.5% B.3.5%~6% C.6%~9.5% D.9.5%~15%
A.封包增大了局部液體壓力,使其滲透速度加快 B.封包阻止了局部水分蒸發(fā),角質(zhì)層水合程度提高 C.封包后角質(zhì)層細(xì)胞間隙增大,滲透量增多 D.封包后角質(zhì)層形成水溶性通道,幫助物質(zhì)滲透
A.毛發(fā)上皮細(xì)胞 B.角質(zhì)形成細(xì)胞 C.朗格漢斯細(xì)胞 D.黑素細(xì)胞