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Anatomy > Chapter 7 - Nervous System > Flashcards

Chapter 7 - Nervous System Flashcards

0
Q

Autonomic Nervous System

A

Involuntary part of nervous system

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1
Q

Afferent Neuron

A

Nerve cells that carry impulses towards the central nervous system

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2
Q

Axon

A

Carries impulses away from the cell body

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3
Q

Brain Stem

A

Medulla, pons, and midbrain

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4
Q

Central Nervous System

A

Brain and spinal cord

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5
Q

Cerebellum

A

Produces smooth muscle coordinated skeletal muscle activity

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6
Q

Cerebral Hemisphere

A

How the cerebrum is divided

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7
Q

Cerebrospinal Fluid

A

Produced by Choroid Process; fills ventricles and surrounds the CNS

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8
Q

Dendrites

A

Carry electrical cells to the cell body

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9
Q

Depolarization

A

Loss of a state of polarity

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10
Q

Efferent Neuron

A

Carry impulses away from the CNS

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11
Q

Ganglion

A

Group of cell bodies located in the Peripheral Nervous System

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12
Q

Gray Matter

A

Contains unmyelinated nerve fibers

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13
Q

Interneurons

A

Completes pathway between afferent and efferent neurons

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14
Q

Meninges

A

Membranes that cover the brain and spinal cord

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15
Q

Myelin

A

White, fatty lipid substance

16
Q

Nerve

A

Bundle of neuronal processes outside the CNS

17
Q

Neuroglia

A

Nonneuronal tissue of CNS; for support and other functions

18
Q

Neurons

A

Cells in nervous system specialized to transmit messages throughout the body

19
Q

Nodes of Ranvier

A

Indents between Schwann cells

20
Q

Peripheral Nervous System

A

Nerves connecting to brain and spinal cord from arms and legs

21
Q

Plexus

A

Network of interlacing nerves, blood vessels, or lymphatics

22
Q

Polarization

A

Stimulating a nerve cell

23
Q

Receptor

A

Picks up and responds to a stimuli

24
Q

Reflex

A

Automatic reaction to a stimulus

25
Q

Repolorization

A

Re-polarizing a depolarized cell

26
Q

Somatic Nervous System

A

“Voluntary Nervous System”

27
Q

Synapse

A

A region of communication between neurons

28
Q

White Matter

A

Myelinated nerve fibers

Anatomy (5 decks)

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