intro to neuropath Flashcards
1
Q
good stain for motor neurons
A
Nissl
2
Q
good stain for myelin
A
luxol fast blue
3
Q
good stain for astrocytes
A
GFAP
Holzer
4
Q
what do red neurons indicate
A
cell death
5
Q
what will you see in a silver stain of an unhealthy motor neuron?
A
dendritic pruning
6
Q
what is chromatolysis and what does it indicate
A
- swelling
- axonal damage
7
Q
when do you see neurofibrillary tangles?
A
AD
8
Q
where do you see rabies cytoplasmic inclusions?
A
purkinje cells of cerebellum
9
Q
what is a hallmark of ALS on stains?
A
bunina bodies
10
Q
differences between brain capillary and other capillaries
A
in brain capillary
- fewer fenestrations and clefts
- more mitochondria
- fewer pinocytotic vesicles
11
Q
two types of edema in CNS
A
vasogenic - blood vessel leakage
cytotoxic - damage to cells
12
Q
causes of vasogenic edema
A
trauma
tumors
hypoxia/ischemia
infections