Exam (elaborations)
pathophysiology EXAM 2 (1)
pathophysiology EXAM 2 (1)
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pathophysiology EXAM 2meningitis - ANS-inflammation of the brain and spinal cord
bacterial or viral
can be deadly
poliomyelitis - ANS-inflammation of gray matter
attaches to anterior horn cell (motor skills)
rabies - ANS-inflammation throughout entire CNS
leads to paralysis-can lead to death
encephalitis - ANS-inflammation of the brain caused by misquito
regretion with cognitive and motor skills
AIDS - ANS-acquired immune deficiency syndrome
HIV causes encephalopathy
Anencephaly - ANS-absent a cranium
one of cerebral hemispheres is missing or a part of
leads to death
spina bifida - ANS-incomplete closure of spinal cord and vertebrae that surrounds it.
no spinous processes in that area
many motor deficits
spina bifida cystica - ANS-meninges is poking through
lot of motor problems
spinal bifida occulta - ANS-asymptomatic
discovered by accident
usually in lumbar area
meningocele - ANS-meninges poking through incomplete vertebrae
myelomeningocele - ANS-meninges and spinal cord poking through
hydrocephalus - ANS-accumulation of fluid in the brain
can be congenital, trauma, tumor
enlarged head
extradural - ANS-outside meningeal coverings
, fibromas, lipomas
intradurally - ANS-meningiomas
receptor - ANS-sense organs (or cells) which receive stimuli from the enviornment
effector - ANS-muscles and glands which respond to impulses carried to them by nerves
myelin - ANS-a white fatty material which coats the nerve processes
upper motor neuron - ANS-a cell of the motor cortex which goes to a lower motor neuron in the
brain stem or to the ventral horn of the spinal cord
lower motor neuron - ANS-a cell of cranial nerve motor nuclei or the ventral horn and its axon
which terminates in skeletal muscles ( an effector)
tract - ANS-a bundle of white matter within the CNS usually having the same origin, function,
and termination
homeostasis - ANS-a state of physiological stability of the body with its internal and external
environment
somatic - ANS-terminating on skeletal muscle
peripheral nervous system
autonomic - ANS-innervating cardiac smooth muscles and glands
we don't tell things to happen, they just do.
peripheral nervous system
upper motor neuron lesion - ANS-central nervous system
-paresis
-spasticity
-mild disuse atrophy
-increased primitive reflexes
lower motor neuron lesion - ANS-peripheral nervous system
-paralysis
-flaccidity
-atrophy
-fasiculations (twitching)
-trophic changes (size/shape of tissues)
1.cerebrum
2.cerebellum
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