Как по Английски будет паутинная оболочка

adjective

Like a spider or arachnid.

Примеры использования:

Intelligent arachnoid killing machines

noun

A fine, delicate membrane, the middle one of the three membranes or meninges that surround the brain and spinal cord, situated between the dura mater and the pia mater.

Примеры использования:

Between the pia and arachnoid membranes is the subarachnoid space, in which the cerebrospinal fluid…