Term
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Definition
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Term
|
Definition
20% of tumors
encapsulated
grow within own membrane
ct scan
remove because of pressur |
|
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Term
|
Definition
most brain tumors
-malignant and difficult to remove |
|
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Term
| percent of brain tumors that do not origionate in the brain |
|
Definition
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Term
|
Definition
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Term
|
Definition
| dead tissue caused by stroke |
|
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Term
|
Definition
| area surronding infarct may grow back or die |
|
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Term
|
Definition
|
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Term
|
Definition
common cause of intracerebral hemorrhage
some are congenital or from infection |
|
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Term
|
Definition
blockage of blood
thrombosis-blocks blood flow at site of thrombus blockage
embolism-fat blocks an artery
takes awhile to develope |
|
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Term
|
Definition
| walls of blood vessels thicken and channels narrow fat deposits |
|
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Term
|
Definition
causes damage in stroke
excitory |
|
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Term
|
Definition
closed head injuries
-damage to cerebral circulatory
internal hemoraging resulting in hematoma |
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Term
|
Definition
| dura mater and arachnoid membrane |
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Term
|
Definition
| injury opposite side of the blow |
|
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Term
|
Definition
| inflammation caused by infection |
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Term
|
Definition
abscess is formed
syph- insanity demential- |
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Term
|
Definition
| insanity and dementia from syph |
|
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Term
|
Definition
major role in disorders
difficult to recognize
lay dormant |
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|
Term
|
Definition
produce toxic psychosis
tardive dyskinsesia TD from a drug |
|
|
Term
|
Definition
| produced by patients own body neurotoxin toxic blood |
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|
Term
|
Definition
|
|
Term
| most disorders are genetically |
|
Definition
|
|
Term
|
Definition
downs
21 chroms 3 rather than 2 |
|
|
Term
|
Definition
critical role in development by eliminating extra neurons
more adaptive than necrosis
slow
shrinkage of cell bodydebris is packaged in vesicles
no inflammation and outer damage is minimum |
|
|
Term
|
Definition
cell death passed on from injury
damaged cell swells and breaks apart
quick |
|
|
Term
|
Definition
1% many causes
blows virus nerutox tumor
genes |
|
|
Term
|
Definition
| early warning signs of epilep |
|
|
Term
|
Definition
not envolve entire brain
discharge in burst |
|
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Term
|
Definition
| sensory and motor jacksonian seiz |
|
|
Term
|
Definition
temporal lobes repetative simple behaviors
automatisms
no recollection docot ex |
|
|
Term
|
Definition
|
|
Term
|
Definition
convulsions brain damage
hypoxia |
|
|
Term
|
Definition
| no associated with convulsions absens day dreaming |
|
|
Term
|
Definition
2% males
initial mild no dementia
substantia nigra
midbrain
striatum
10 gene mutations
DBS treatment |
|
|
Term
|
Definition
rare gentic dementia
huntingtim
dominant 50% |
|
|
Term
|
Definition
young people
autoimmune
genetic enviormental
cig smokers greater risk |
|
|
Term
|
Definition
10% genetic
autopsy
amyloid plaques |
|
|
Term
|
Definition
first neuroplatic
goddard stimulation to rats
permanant |
|
|
Term
|
Definition
| genes of other animals have been introduced |
|
|
Term
| MPTP does not model which factors of parkinsons |
|
Definition
|
|
Term
|
Definition
degeneration of distal segmant
occurs quickly
because it is the metabolic ceter of a neuron |
|
|
Term
|
Definition
degernation of proximal segment
regenerative or gdegernative
either apoptosis or necrosis or both |
|
|
Term
|
Definition
| segment of a cut axon between the cut and synaptic terminals |
|
|
Term
|
Definition
| segremnt of a cut axon between the cut and cell body |
|
|
Term
| transneuronal degenartion |
|
Definition
| spreads from damaged neurons to others on same synapse |
|
|
Term
| anterograde transnneural degeneration |
|
Definition
| spreading from neuron to neuron |
|
|
Term
| retrograde tran degeration |
|
Definition
| damaged neurons to neurosn that synapse on them |
|
|
Term
| regeneration can occur in PNS |
|
Definition
| if Schwann has myelin sheth intact |
|
|
Term
|
Definition
| may grow out from nodes of R as axon degenrates axon branches grow from healthy axon to unhealthy |
|
|
Term
|
Definition
| occurs too quickly for neural growth and rapid reoganization never envolves much space |
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Term
|
Definition
poorly understood
best case scenario: young small lesions |
|
|
Term
|
Definition
| used instead of schwaan but similar some motor function was restored |
|
|
Term
|
Definition
|
|
Term
|
Definition
increase dendritic branching
size of synapse
aided neurogenesis
reduced plaques |
|
|
Term
| phantom limb is a result of what |
|
Definition
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