CHAPTER 5 CENTRAL AND PERIPHERAL NERV SYSTEM Flashcards

Neurotransmitter
Terms Definitions
ACETYLCHOLINE (ACH)
Chemical produced by the body that is used in the transmission of nerve impulses. It is destroyed by the enzyme cholinesterase.
Adrenergic (adrenomimetic)
Refers to a drug stimulating a receptor for norepinephrine or epinephrine.
Afferent
Signals that are transmitted to the brain and spinal cord.
Antiadrenergic
Refers to a drug blocking a receptor for norepinephrine or epinephrine.
Anticholinergic
Refers to a drug blocking a receptor for acetcholine
Central nervous system (CNS)
System that includes the brain and spinal cord, controlling voluntary and involuntary acts.
Cholinergic (cholinomimetic)
Refers to a drug causing stimulation of a receptor for acetycholine.
Efferent
Signals that are transmitted from the brain and spinal cord.
Norepinephrine
Naturally occurring catecholamine, produced by the adrenal medulla, that has properties similar to epinephrine. It is used as a neurotransmitter in most sympathetic terminal nerve sites.
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