chapter 10 nervous system Flashcards
what is PNS?
peripheral nervous system
what is CNS?
central nervous system
somatic nervous system =
voluntary control
autonomic nervous system =
involuntary control
parasympathetic nervous system =
rest and digest
sympathetic nervous system =
fight or flight
neurolglia =
structural glue
synapse
junction point with another nerve
(neurotransmitter)
what are bundles of neurons?
nerves
how many cranial nerves are there?
12
how many spinal nerves are there?
31 pairs
what are the divisions of spinal nerves?
1) cervical
2) thoracic
3) lumbar
4) sacral
5) coccygeal
plexus =
network of nerves
what is the thinking part of the brain?
cerebral cortex
CSF =
cerebrospinal fluid
what is the brain and spinal cord completely suspended with?
CSF
what generates CSF?
ventricles
cauda equina =
bundle of nerves in the lumbar region
(horse’s tail)
meninges =
membranes surrounding CNS
dura matter =
tough outter membrane
cerebell/o
cerebellum
cerebrospinal=
pertaining to the cerebellum
cerebr/o
cerebrum
dur/o
dura mater
epidural =
pertaining to above the dura mater
enchephal/o
brain
gli/o
neuroglia
what are neuroglia AKA?
glial cells
mening/o
meninges
meningeal =
pertaining to meninges
thec/o
meninges
intrathecal =
within meninges
myel/o
spinal cord or bones marrow
neur/o
nerve
radicul/o
nerve root
pont/o
pons
(bridge)
cerebellopontine =
nerve that starts in the cerebellum and ends in the pons
thalam/o
thalamus
thalamic
pertaining to the thalamus
vag/o
vagus nerve
(to wander)
alges/o
sensitivity to pain
-algesia =
sensitivity to pain
analgesic =
without pain sensitivity
hypalgesia
lowered sensitivity to pain
-algia
pain
esthesi/o
feeling or sensation
-esthesia =
feeling or sensation
anesthesia =
without sensation
paresthesia =
altered sensation
kines/o
movement
kinesi/o
movement
-kinesia
movement
-kinesis
movement
-kinetic
movement
lex/o
word or phrase
-phasia
language
aphasia
without speech
-arthria
motor speech
dysarthria
slurred speech
syncop/o
faint (lose consciousness)
syncope =
temporarily loss of consciousness
-taxia
coordination
ataxia
without coordination
thym/i
mood
euthymia
good mood
dysthymic
bad mood
spastic
excessive muscle contraction
flaccid
limp muscle
AMS =
altered mental status
what is the range of AMS?
mild to comatose
ALS
amyotrophic lateral sclerosis
-lepsy
seizure
epilepsy =
brain disorder causing seizures
petit mal =
seizure that appears minor
grand mal =
seizure that appears to be serious
MS =
multiple sclerosis
asthenia
weakness
cerebropalsy
congenital loss of muscle strength /coordination
bells palsy =
paralysis of one side of face
parkinsons disease
brain degeneration causing tremors, weakness, and slow movement
herpes zoster =
shingles
viral infection causing nerve inflamation and blisters
meningitis
inflammation of meninges
TBI =
traumatic brain injury