dopamine
dopamine
Definition
☆ do·pa·mine (dō′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.
