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5 Cards in this Set
- Front
- Back
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ANS is...
regulated by the: |
A branch of the CNS
Regulated by the: hypothalmus brain stem spinal cord Requires no conscious or action (just happens) Maintains homeostasis by regulating processes such as body temperature, responds to stress and emergencies Nerve impulses are transmitted in the same way as the CNS |
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ANS divided into
what do they each do? |
The two systems keep each other in balance
The SNS excites The PNS inhibits |
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major neuro transmitters
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acetylcholine (secreted by cholinergic nerve fibers) norepinephrine (secreted by adrenergic nerve fibers)
epinephrine (secreted by the adrenal medulla) dopamine ( acts as a catecholamine)_ |
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Adrenergic agonist
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Catecholamines
Noncatecholamines |
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Catecholamines
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Chemically have a catechol and an amine group
Epinephrine Norepinephrine Dopamine Dobutamine |
