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Neurotransmitters
n/a
8
Physiology
12th Grade
05/09/2011

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Term
Acetylcholine
Definition
Excitatory to skeletal muscles; excitatory or inhibitory to visceral effectors.
Term
Norepinephrine
Definition
Biogenic amine. Excitatory or inhibitory. A feel-good neurotransmitter; release enhanced by amphetamines
Term
Dopamine
Definition
Biogenic amine. Excitatory or inhibitory. A feel-good neurotransmitter; released enhanced by amphetamines. Deficient in Parkinson's disease, reuptake blocked by cocaine
Term
Serotonin
Definition
Biogenic amine. Mainly inhibitory. Activity blocked by LSD; may play a role in sleep, appetite, nausea, migraines, and regulation of mood
Term
Histamine
Definition
Biogenic amine. Also released by mast cells during inflammation and acts as a powerful vasodilator.
Term
ATP
Definition
Excitatory or inhibitory. Released by sensory neurons
Term
GABA
Definition
Amino acid. Generally inhibitory. Principal inhibitory neurotransmitter in the brain; inhibitory effects augmented by alcohol
Term
Glutamate
Definition
Generally excitatory. Important in learning and memory
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