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dopamine Definition

do·pa·mine (pə mēn′, -min)

noun

an amine, CHNO, that is an intermediate biochemical product in the synthesis of norepinephrine, epinephrine, and melanin, and is a neurotransmitter

Etymology: d(ihydr)o(xy)p(henyl) + amine

dopamine Usage Examples

Converse of object

  • replace: The mainstay of treating Parkinson's disease is to replace dopamine in the brain.
  • produce: These cells produce dopamine - a chemical which plays a key role in movement.
  • call: They work by reducing the action of a particular chemical messenger in the brain called dopamine.
  • release: When you are attracted to someone your brain releases the drug dopamine giving the same reaction that taking cocaine or speed would create.
  • make: So our idea is to try and change these cells specifically into ones that make dopamine or insulin.

Preposition: in

  • brain: The mainstay of treating Parkinson's disease is to replace dopamine in the brain.

Adjective modifier

  • enough: Parkinson's patients do not produce enough dopamine, which affects co-ordination.
  • chemical: These are neurons that produce the chemical messenger dopamine.

Modifies a noun

  • agonist: Research into dopamine agonist skin patches is in progress.
  • d2: Dopamine D2 receptors, which may play a role in bipolar disorder, are also involved in mediating suppression of the immune system.
  • receptor: To achieve complete specificity for dopamine receptor subtypes it is necessary to use a genetic approach which involves deleting genes for each receptor subtype.
  • antagonist: Hahn B, Shoaib, M, Stolerman IP ( 2002 ) Effects of dopamine receptor antagonists on nicotine-induced attentional enhancement.
  • transporter: A normal dose administered to children blocked 70 per cent of the dopamine transporters.
  • neuron: In some recent research scientists managed to get mouse embryonic stem cells to form dopamine neurons.

Noun used with modifier

  • neurotransmitter: A mutation in a receptor for the neurotransmitter dopamine has been found on chromosome 11 or 18.
  • brain: Uprima is absorbed under the tongue, stimulating the brain chemical dopamine, which starts the signal for an erection.
  • chemical: The chemical dopamine is then released in the brain, which leads to feelings of contentment.
  • nigrostriatal: In turn, nigrostriatal dopamine has been suggested to be critical for the execution of sequential movements.
  • messenger: These are neurons that produce the chemical messenger dopamine.
  • release: Dopamine Systems in the Brain There are a number of collections of nerves in the brain that release dopamine.

Browse dictionary entries near dopamine

  1. dopa
  2. doozy
  3. doozies
  4. doozie
  5. doozer
  6. doowop
  7. dooryard
  8. doorway
  9. doorstop
  10. doorstep
  1. dopant
  2. dope
  3. dope fiend
  4. dope out
  5. dope-sheet
  6. doped
  7. doper
  8. dopester
  9. dopey
  10. dopier