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Chapter 10 Lab Flashcards > Nervous Tissue And Brain > Flashcards

Nervous Tissue And Brain Flashcards

1
Q

Axon

A

Contains action potentials away from cell body

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2
Q

Dendrite

A

Receptor region of neuron that produces graded potentials

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3
Q

Cell body

A

Site of nucleus and metabolism for neuron

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4
Q

Node of river

A

Gaps in the myelin sheath where depolarization occurs

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5
Q

Myelin sheath

A

Increase conduction rate of action

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6
Q

Schwann cell

A

Produce myelin sheaths

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7
Q

Axon terminal

A

Contains synaptic vesicles with neurotransmitter

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8
Q

Trigger zone (axon hillock)

A

Site of action potentials generation.

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9
Q

Presynaptic membrane

A

Membrane that releases neurotransmitters into synaptic cleft/gap

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10
Q

Neurotransmitter

A

Chemical that carries impulses across synaptic gap

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11
Q

Synaptic cleft/gap

A

Space between neuron and effector membranes

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12
Q

Postsynaptic membrane

A

Membrane contains neurotransmitter receptor

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13
Q

Synaptic vesicles

A

Contains neurotransmitter

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14
Q

Medulla oblongata

A

Aids in controlling breathing

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15
Q

Mid brain

A

Contains reflex centers for startle, reflex, auditory, visual impulse

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16
Q

Thalamus

A

Relays sensory Information cortex regarding crude perception of touch, pressure, pain, temperature

17
Q

Hypothalamus

A

Regulates autonomic nervous system, regulate body temperature, hunger, thirst

18
Q

Pituitary Gland

A

Endocrine gland that secretes hormones that regulate growth, development, metabolism, and homeostasis

19
Q

Cerebellum

A

Regulates posture and balance: coordinates skeletal muscle development

20
Q

Cerebral Cortex (lobes)

A

Contains specific centers for hat interpret sensory impulse, control muscle movement center for emotions and intelligence

21
Q

Ventricle

A

Contains choroid plexus which produces CSF

22
Q

Arbor Vitae

A

White matters tract within the cerebellum

23
Q

Corpus Callosum

A

White matter tract conduct impulse between cerebral hemisphere allowing hemisphere to act as a unit

Chapter 10 Lab Flashcards (3 decks)

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