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anatomy 3 > CNS vs PNS > Flashcards

CNS vs PNS Flashcards

1
Q

CNS

A

consists of BRAIN and SPINAL CORD

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2
Q

nuclei

A

CNS

clusters of functionally similar/related neurons

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3
Q

tracts

A

CNS

bundles of axons from neurons of nuclei

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4
Q

PNS

A

consists of SOMATIC, AUTONOMIC, ENTERIC nervous systems

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5
Q

ganglia

A

PNS

clusters of functionally similar/related neurons

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6
Q

nerves

A

PNS

bundles of related axons

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7
Q

SNS

A

external/interal lining of body wall: sensory + motor

extremities: sensory + motor

special senses: smell, taste, vision, hearing, equilibrium

  • erector pili and sweat glands controlled by ANS
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8
Q

ANS

A

smooth muscle, cardiac muscle, all secretory glands

  • subdivisions: sympathetic + parasympathetic
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9
Q

ENS

A

chains of ganglia along several layers of GI tube or alimentary canal

responsible for peristalsis and secretion of GI “juices”

commanded by CNS and ANS

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anatomy 3 (15 decks)

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