ANS- Sympathetic Division Flashcards

1
Q

The sympathetic division is also known as:

A

thoracolumbar division

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2
Q

The cell bodies of the preganglionic neurons of the are located:

A

lateral gray horns of thoracic and lumbar regions of spinal cord

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3
Q

Axons of the preganglionic neurons exit:

A

As part of the rami communicantes

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4
Q

Characteristics of preganglionic neurons of the sympathetic division:

A

Short and myelinated

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5
Q

What neurotransmitter do the preganglionic neurons of the sympathetic division release:

A

Acetylcholine

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6
Q

Two types of ganglia in the sympathetic nervous system:

A

1) Prevertebral Ganglia

2) Sympathetic trunk ganglia

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7
Q

Prevertebral ganglia are:

A

Clumps in front of the vertebra that contain postganglionic cell bodies

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8
Q

Sympathetic trunk ganglia are

A

bead-like ganglia on each lateral side of the vertebra

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9
Q

Purpose of both types of ganglia

A

Where the preganglionic and postganglionic neuron synapse

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10
Q

Postganglionic Neurons of the sympathetic division have cell bodies:

A

in either of the two ganglia

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11
Q

Axons of the postganglionic Neurons of the sympathetic division are:

A

long and unmyelinated

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12
Q

What neurontransmitter do the postganglionic Neurons of the sympathetic division release?

A

norepinephrine onto the effectors

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