arachnoid

1.Primary (congenital) hydrocephalus is apparently due to failure of arachnoid villi to resorb CSF at an adequate rate.

水脑症，原发性的水脑症是因为蜘梁对脑脊液的再吸收出现异常。

2.Hypovitaminosis A causes hydrocephalus by altering CSF resorption at the arachnoid granulations.

维他命A不足也会造成蜘对脑脊液出现吸收障碍。