Studied by 0 people
Looks like no one added any tags here yet for you.
arachn/o
spider
cephal/o
head
cerebell/o
cerebellum
cerebr/o
cerebrum; also, the brain in general
cortic/o
outer layer or covering
crani/o
cranium, skull
encephal/o
brain
gangli/o
swelling or knot
ganglion/o
swelling or knot
gli/o
glue
hydr/o
water
iatr/o
physician; to treat
-mania
mental abnormality or obsession
meningi/o
membrane
ment/o
referring to the mind
-mnesia
memory
myel/o
in connection with the nervous system, refers to the spinal cord and medulla oblongata
neur/o
nerve, nerve tissue
-oid
resembling
-paresis
slight paralysis
-phasia
speech
-phobia
fear
-plegia
paralysis
psych/o
mind
schiz/o
to split
spin/o
spine
Function of the nervous system
-most complex system in the body
-coordinates involuntary and voluntary actions
-maintains homeostatis in the body
-two major divisions: central nervous system (cns), peripheral nervous system (pns)
Neurons
(nerve cells)
neuroglia
separated, supported, and protected by specialized cells
what do neurons carry?
electrical messages that coordinate the exchange of information between the body’s internal and external environment
parts of a neuron cell
cell body: contains nucleus and genetic material
dendrites: receive and transmit messages
axon: conducts nerve impulses; covered by myelin, a white fatty material that provides protection and insulation
