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Anatomy and Physiology 1 > Supportive Cells > Flashcards

Supportive Cells Flashcards

1
Q

neuroglia are cells that perform various

A

supportive and protective roles for the neurons

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2
Q

oligodendrocytes are found where?

A

CNS

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3
Q

oligodendrocytes resemble

A

an octopus because it has 15 arms

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4
Q

oligodendrocyte arms reach out and wrap around a nerve fiber

A

like electrical tape on a wire

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5
Q

oligodendrocytes wrapping around a fiber creates

A

a myelin sheath

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6
Q

myelin sheath

A

insulates the nerve fiber from the ECF and speeds up signals conduction in the nerve fiber

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7
Q

ependymal is found where?

A

CNS

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8
Q

ependymal resemble

A

cuboidal epithelium

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9
Q

ependymal lines the

A

internal cavities of the CNS

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10
Q

does ependymal have a basement membrane?

A

no

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11
Q

ependymal exhibits what kind of process that penetrate the underlying tissue

A

rootlike

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12
Q

ependymal produces what?

A

cerebral spinal fluid(CSF)

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13
Q

microglia are found where?

A

CNS

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14
Q

microglia has what kind of process?

A

long thorny

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15
Q

what do microglia processes touch?

A

nearby neurons

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16
Q

microglia play what type of role?

A

protective

17
Q

astrocytes are found where?

A

CNS

18
Q

astrocytes are the most

A

abundant

19
Q

astrocytes are what type of cell?

A

branching

20
Q

astrocytes radiating processes cling to what?

A

neurons, their synapses, and capillaries

21
Q

astrocytes form

A

blood-brain barrier

22
Q

astrocytes regulate blood flow between

A

neurons and its capillaries

23
Q

astrocytes recapture

A

neurotransmitters

24
Q

astrocytes have structural

A

support

25
Q

schwann cells are found in the

A

PNS

26
Q

schwann cells surround

A

large nerve fibers

27
Q

schwann cells form

A

myelin sheaths

28
Q

satellite cells are found in the

A

PNS

29
Q

satellite cells surround

A

neuron cell bodies

30
Q

the function of satellite cells

A

is unknown

31
Q

myelinated fibers conduct

A

nerve impulses rapidly

32
Q

unmyelinated fibers conduct

A

impulses slowly

33
Q

dendrites are always

A

uninsulated

34
Q

what makes up the neurilemma

A

schwann cell external membrance

35
Q

large fibers have more surface area and conduct signals______________ than small fibers

A

more rapidly

Anatomy and Physiology 1 (15 decks)

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