Medical Terminology Chapter 12 Flashcards
alges/o
sense of pain
astr/o
star
centr/o
center
cerebell/o
cerebellum
cerebr/o
cerebrum
clon/o
rapid contracting and relaxing
concuss/o
to shake violently
dur/o
dura mater
encephal/o
brain
esthesi/o
sensation, feeling
gli/o
glue
medull/o
medulla oblongata
mening/o
meninges
meningi/o
meninges
ment/o
mind
myel/o
spinal cord
neur/o
nerve
peripher/o
away from center
poli/o
gray matter
pont/o
pons
radicul/o
nerve root
thalam/o
thalamus
thec/o
sheath (meninges)
tom/o
to cut
ton/o
tone
ventricul/o
ventricle
central nervous system consists of
brain and spinal cord
nervous tissue has two basic types of cells
neuron and neuroglial cells
neurons have three basic parts
dendrites, a nerve cell body and an axon
myelin
fatty substance that acts as insulation for many axons so that thy conduct electrical impulses faster. Produced by some neuroglial cells
Explain gray matter and white matter
gray matter-unsheathed or uncovered cell bodies & dendrites.
white matter-myelinated nerve fibers
tracts
bundles of nerve fibers interconnecting different parts of the CNS