TERM 1
Brain
DEFINITION 1
contains an estimated 100 billion neurons most of the gray
matter (cell bodies and dendrites) is on the outer surface
(cortex) of the brain) surrounded by protective meninges
(connective tissue layers)
TERM 2
Ventricles
DEFINITION 2
-fluid filled chambers in the interior of the brain -contain
cerebrospinal fluid -choroid plexuses in ventricles make CSF
TERM 3
Cerebrospinal Fluid
DEFINITION 3
-within ventricles, but also in the central canal of the spinal
cord and within the surropunded layers of the brain
collectively called the meninges -
TERM 4
Dura mater, arachnoid matter, pia matter:
DEFINITION 4
layers aroundthe outside of the brain b/t the skull and on the
outside of the spinal cord -also, within here have the blood-
brain barrier that protects the brain from chemical
fluctuations in the blood (many drugs cannot go through)
TERM 5
hydrocephalus
DEFINITION 5
"water on the brain"extra cfs on the brain that will lead to
retardation if not treated.
