7 terms

meninges of brain

dura mater
outermost meninx covering the brain, composed of tough fibrous connective tissue
pia mater
innermost meninx covering the brain, delicate and highly vascular
arachnoid villi
structures intstrumental in returning cerebrospinal fluid to venous blood in dural sinuses
choroid plexus
structure that forms cerebrospinal fluid
arachnoid mater
middle meninx, like a cobweb in structure
its outer layer forms periosteum of skull
dura mater
subarachnoid space
cerebrospinal fluid flows from 4th ventricle into central canal of spinal cord and this space, surrounding the brain and spinal cord