Nerves
Brain and spinal cord
CNS
neurons bushy, branching extensions that receive messages
Dendrites
chemical messenger
neurotransmitter
relay station for sensorary information
thalamus
whitish nervous tissue
white matter
Includes cranial nerves plexuses and peripheral
PNS
contains a nucleus
cell body of a neuron
form blood barrier
astrocytes
body temperature sleep appetite emotions
hypothalamus
brain and spinal cord tissue that appear gray
gray matter
12 pairs of nerves arising from brain
cranial nerves
the extension of a neuron
axon
have many dendrites
microglial cells
coordination of voluntary movements and balance
cerebellum
thick outer most layer of meninges
dura mater
a bundle of nerve fibers
nerve
covers the axon
myelin sheath
glial cells in the CNS
oliogodendrogial cells
connection of nerves
pons
spiderweb like middle layer of meninges
arachnoid membrane
a nerve cell
neuron
branching fibers at the end of axon
terminal end fibers
lines cavities of brain and spinal cord
ependymal cell
regulates heart blood vessels and respritory system
medulla oblongata
inner membrane of meninges
pia mater