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neurotransmitter Definition

neuro·trans·mit·ter (no̵or′ō transmit′ər, nyo̵or′-; -tranz-)

noun

a biochemical substance, as acetylcholine or norepinephrine, that transmits or inhibits nerve impulses at a synapse
neurotransmitter Usage Examples

Converse of object

  • call: Once in the brain drugs affect chemicals called neurotransmitters.
  • release: The first nerve cell communicates with the next by releasing neurotransmitters into the synapse.
  • affect: For example, ecstasy appears to affect a neurotransmitter called serotonin by reducing the amount of the chemical in the brain.
  • involve: Best guess is that " there are neurotransmitters involved.. .
  • produce: The protein in the chicken helps the brain to produce neurotransmitters which help people stay awake.

Noun used with modifier

  • brain: Alcohol causes the effects of the brains neurotransmitter GABA to increase.
  • chemical: This sequence of events requires molecules that respond to electrical energy and then interact with other molecular mechanisms which release the chemical neurotransmitters.

Adjective modifier

  • excitatory: Too many excitatory neurotransmitters released or too many of their receptors available can make this happen more easily.
  • inhibitory: GABA is an inhibitory neurotransmitter - it makes the neuron receiving it less likely to ' fire ' .
  • certain: Researchers have found that sugar increases the amount of certain brain neurotransmitters that control moods.
  • important: SAMe appears to raise levels of dopamine, an important neurotransmitter in mood regulation.
  • specific: By designing drugs to affect specific neurotransmitters or neuroreceptors, drugs can be targeted at different parts of the nervous system.
  • major: Serotonin is one of the major neurotransmitters in the body.

Modifies a noun

  • acetylcholine: Alzheimer's disease is caused by the destruction of certain brain cells leading to the loss of the neurotransmitter acetylcholine.
  • dopamine: A mutation in a receptor for the neurotransmitter dopamine has been found on chromosome 11 or 18.
  • serotonin: It may also work by altering levels of the brain neurotransmitter serotonin.
  • glutamate: The main culprit has been thought to be the neurotransmitter glutamate acting through AMPA receptors.
  • receptor: Studies of the coupling of cloned neurotransmitter receptors to ion channels.
  • molecule: One particular area of interest is the rapid release of neurotransmitter molecules that carry signals between nerve cells.

Preposition: in

  • brain: How do drugs affect different neurotransmitters in the human brain?

Browse dictionary entries near neurotransmitter

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