norepinephrine
norepinephrine
Definition
nor·epi·neph·rine (nôr′ep′ə nef′rin, -rēn′)
noun
a hormone or neurotransmitter, CHNO, related to epinephrine, that is used medically to constrict blood vessels and to stop bleeding: it is secreted by the adrenal medulla or liberated at nerve endings to help transmit nerve impulses
Etymology: see nor-
norepinephrine
Usage Examples
Converse of object
- increase: By inhibiting MAO and increasing norepinephrine, St John's Wort may exert a mild antidepressive action.
Modifies a noun
- level: Research has shown that increases in plasma norepinephrine levels are actually linked with staleness in athletes.
- reuptake: It has an unusual chemical structure and is defined as a serotonin and norepinephrine reuptake inhibitor.
- inhibitor: It has an unusual chemical structure and is defined as a serotonin and norepinephrine reuptake inhibitor.
- concentration: The influence of meal composition on plasma serotonin and norepinephrine concentrations.
Noun used with modifier
- plasma: Research has shown that increases in plasma norepinephrine levels are actually linked with staleness in athletes.
- neurotransmitter: Science 2 April 2004 Perfecting recall Researchers using rodents have found that the neurotransmitter norepinephrine is essential in retrieving certain types of memories.
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