Question #208
Considering the meninges which of the following statements is true?
The arachnoid and pia mater are known collectively as the leptomeninges. The pia is closely associated with brain matter. Between the pia and arachnoid cerebrospinal fluid is found. Where these two layers become further separated CSF cisterns form.
The dura mater is the outer meningeal layer. It is relatively fibrous and tough. It has two layers which when separated form the venous sinuses.
