The Bervous System Part 4 Flashcards
Spinal tracts
Columns of white matter form the putter portion of the spinal cord and bundles of myelinated fibers that make up the white columns
Meninges
Touch fluid containing membrane the surrounds the brain and spinal cord.
Three layers of the spinal meninges
Dura matter, pia matter, arachnoid matter
Dura matter
Tough outer meninges later that lines the vertebral canal
Pia matter
Meninges innermost membrane covering the spinal cord itself
Arachnoid membrane
Between the dura and pia matter. Resembles a weblike structure with fluid in its spaces.
Cerebrospinal fluid
Fluid that fills that subarachnoid spaces between the pia matter and arachnoid in the brain and spinal cord
Choroid plexus
Network of brain capillaries that filters CSF
Hydrocephalus
Water on the brain