[名词解释] Blood-Thymus barrier
[名词解释] 血-睾屏障(blood-testis barrier)
[单选题]关于血脑屏障(blood-brain barrier)的叙述下列哪项是正确的?( )A.是血-脑、血-脑脊液、脑脊液-脑三种屏障的总称B.其中的脑脊
[单选题]关于血脑屏障(blood-brain barrier)的叙述下列哪项是正确的()。A . 是血-脑、血-脑脊液、脑脊液一脑三种屏障的总称B . 其中的脑脊液一脑屏障是阻碍药物穿透的主要屏障C . 是大脑的自我调节机制D . 吸入麻醉药均对血脑屏障无影响E . 正常情况下,甘露醇可通过血脑屏障而起作用
[名词解释] 遮栏(barrier)
[名词解释] 堡礁(barrier reef)
[单选题]In Internet, (66) used as a barrier to prevent the spread of viruses.(66) A.modomB.firewireC.firewallD.netcard
[名词解释] 透过屏障(permeability barrier)
[单选题]Compressed air is supplied by air compression to ().A . the air receiversB . the starting valvesC . the cylinder coversD . the distributor
[名词解释] 血岛(blood island)