The Middle, Thin, Spider-Like Meninx is The

Question

The middle, thin, spider-like meninx is the
A) dura mater.
B) pia mater.
C) ectomater.
D) arachnoid mater.

Accepted Answer

The middle, thin, spider-like meninx is the arachnoid mater. The dura mater is the tough, outermost layer of the meninges, while the pia mater is the delicate, innermost layer. Ectomater is not a term used in anatomy or physiology.