Nervos tissues Flashcards

1
Q

Function is to receive and conduct
electrochemical impulses to and from body
parts

A

Nervous tissues

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2
Q

What are nervous tissues composed of

A

neurons and nerve support cells

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3
Q

Support cells called _______ insulate, protect, and support neurons

A

neuroglia

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4
Q

A neuron consists of _____ and ______

A

dendrites and long axon

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5
Q

neuron cell body

A

dendrites

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6
Q
A
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7
Q

neuroglia or support cells that surrounds the neurons

A

long axons

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8
Q

Neurons transmit information in the form of action potentials, store information, and integrate the evaluate data

A

Nervous tisues

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9
Q

______ support, protect, and form specialized sheaths around axons

A

Neuroglia

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10
Q

Located in the brain, spinal cord, and ganglia

A

Nervous tissues

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11
Q

cells in the peripheral nervous system

A

Satellite cells
Schwann cells

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12
Q

are precursors to skeletal muscle cells and are responsible for the ability of muscle tissue to regenerate.

A

Satellite cells

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13
Q

do not have multiple cellular extensions, but instead each cell engulfs a segment of axon and forms a multilayered myelin sheath around it

A

Schwann cells

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14
Q

Central nervous system

A

Microglia
Ependymal cells
Oligodendrocytes
Astrocytes

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15
Q

cells that reside within the parenchyma of the nervous system, that share many if not all the properties of macrophages in other tissues, but that in their nonactivated or resting state have a characteristic “ramified” morphology not seen in resident macrophages of other organ systems.

A

Microglia

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16
Q

are neuroepithelial multiciliated cells lining the spinal cord and cerebral ventricles [1], and are derived from radial glial cells in the embryo between embryonic Day 14 (E14) and E16

A

Ependymal cells

17
Q

myelinating cells of the central nervous system (CNS). They are the end product of a cell lineage which has to undergo a complex and precisely timed program of proliferation, migration, differentiation, and myelination to finally produce the insulating sheath of axons.

A

Oligodendrocytes

18
Q

a subtype of glial cells that make up the majority of cells in the human central nervous system (CNS). They perform metabolic, structural, homeostatic, and neuroprotective tasks such as clearing excess neurotransmitters, stabilizing and regulating the blood-brain barrier, and promoting synapse formation.

A

Astrocytes