Meninges of the Brain

falx cerebelli - transverse fissure

a dural fold separting the cerebrum from the cerebellum

falx cerebri - longitudimil fissure

a dural fold that attaches the cerbrum to the crista galli of the skull

pla mater

innermost menix covering the brain, delicate and highly vascular

dura matter

its outer layer forms periosteum of skull

arachnoid mater

middle meninx, like a cobweb in structure

duramater

outermost meninx covering the brain. composed of tough fibrous connective tissues

choroid plexus - forms CSF

structure that forms cerebrospinal fluid

arachnoid villi-reabsorbs (CSF)

structures intstrumental in returning cerebrospinal fluid to venous blood in dural sinuses