CNS Injury: Cellular Responses Flashcards Preview

Neuro Block 1-RG > CNS Injury: Cellular Responses > Flashcards

Flashcards in CNS Injury: Cellular Responses Deck (18):
1

What is the major cell type that responds to CNS injury?

astrocytes

2

What are non-neuronal cells in CNS?

glial cells

3

Proliferation capacity of astrocytes?

high

4

What type of injury is most commonly associated with red neurons?

ischemia/infarction/blood vessel occlusion

5

What type of inclusion is associated with herpes infections?

Cowdry inclusions

6

What type of inclusion is associated with rabies?

Negri bodies

7

Ependymal cells have ________ and _______.

cilia and microvilli

8

What color do dead/dying neurons become?

red

9

What type of inclusions are formed in Alzheimer disease?

neurofibrulary tangles

10

What type of inclusions are formed in Parkinson Disease?

Lewy bodies

11

What is an axonal reaction?

enlargement of the cell body in response to disjunction of the axon, esp near the axon hillock

12

What are axonal sphernoids?

nonspecific markers of neuronal tissue damage

13

What is gliosis?

proliferation of astrocytes

14

When does gliosis commonly occur?

after nervous tissue insult

15

What type of cell removed damaged tissue?

macrophage

16

What are gemistocytic astrocytes?

astrocytes enlarged in response to injury: hypertrophy

17

These fibers are parts of astrocytes that indicate nonspecific damage

Rosenthal fibers

18

Define corpora amylacea

age-related glycosaminoglycan buildup in neurons giving them a "pearl" appearance