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Histology Exam 2 Part 1 > Nervous Part 2 > Flashcards

Nervous Part 2 Flashcards

1
Q

What cells provide myelin sheath to axons within CNS?

A

Oliogodendrocytes

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2
Q

Oliogdendroctyes can wrap around __________ axons at once

A

Several

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3
Q

What can destroy oligodendroctyes that results in primary demyelination?

A

Viruses/toxins

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4
Q

What type of nucleus do oliogdendroctyes have?

A

Small and dark

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5
Q

What has the function of immunosurvelliance, immunoregulation, and reparative?

A

Microglia

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6
Q

Which cells innate immune response and identify pathogens and heal?

A

Microglia

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7
Q

What is the microglial cells that are globular and swollen after having phagocytized debris from injured cells?

A

Gitter cells

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8
Q

Which cells are derived from blood-borne monocyte?

A

Microglial cells

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9
Q

Which cells are residents of macrophage of CNS?

A

Microglial cells

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10
Q

What are microglial cells called during necrosis or inflammation activation?

A

Gitter cells

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11
Q

What are the counterpart of fibroblast?

A

Astrocytes

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12
Q

What matter are protoplasmic Astrocytes found?

A

Grey

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13
Q

What matter are fibrillar Astrocytes found?

A

White

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14
Q

Which cells proliferate in area of injury?

A

Astrocytes

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15
Q

What cells is GFAP staining associated with?

A

Astrocytes

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16
Q

What role do Astrocytes have in injury?

A

Healing

17
Q

Which type of Astrocytes have microfilaments?

A

Fibrillar

18
Q

What has the folllowing functions:
Transport of nutrients
Part of blood brain barrier
Antigen presentation

A

Astrocytes

19
Q

What is composed of capillaries that line endothelium of spinal cord

A

Astrocytes

20
Q

What origin do neurons, Astrocytes and oligodendroctyes have?

A

Ectodermal

21
Q

What origin do Microglia and vascular endothelium have?

A

Mesodermal

22
Q

Which origin is sensitive to hypoxia?

A

Ectodermal

23
Q

Where are neurons distributed in PNS?

A

Ganglia

24
Q

Where are neurons distributed in CNS?

A

Nuclei

Histology Exam 2 Part 1 (23 decks)

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