norepinephrine Hear it!

norepinephrine Definition

nor·epi·neph·rine (nôrep′ə nefrin, -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.

Browse dictionary entries near norepinephrine

  1. Nordkyn
  2. Nordic Mobile Telephone
  3. Nordic
  4. Nordenskjöld
  5. Nordau
  6. Nord-Pas-de-Calais
  7. noradrenaline
  8. NORAD
  9. Nora
  10. nor-
  1. Norfolk
  2. Norfolk Island
  3. Norfolk Island pine
  4. Norfolk terrier
  5. Norge
  6. nori
  7. noria
  8. Noricum
  9. norm
  10. Norma