| 释义 |
Definition of serotonin in English: serotoninnoun ˌsɛrəˈtəʊnɪn Biochemistry A compound present in blood platelets and serum, which constricts the blood vessels and acts as a neurotransmitter. Alternative name: 5-hydroxytryptamine; chemical formula: C₁₀H₁₂N₂O Example sentencesExamples - There is some evidence of that the neurotransmitter serotonin may play a role in this disorder.
- These work by raising the levels of the chemicals serotonin and noradrenaline in the brain, which both tend to elevate the mood.
- These physiological changes decrease patients' pain thresholds and thereby increase pain sensation, anxiety, fear, and the release of pain transmitters, such as histamines, serotonins, kinins, and prostaglandins.
- Tryptophan is an amino acid that serves as a precursor to the neurotransmitter serotonin.
- Both serotonin and noradrenaline are activated in the brain by anxiety-inducing circumstances.
Origin 1940s: from serum + tonic + -in1. Definition of serotonin in US English: serotoninnoun Biochemistry A compound present in blood platelets and serum, which constricts the blood vessels and acts as a neurotransmitter. Alternative name: 5-hydroxytryptamine; chemical formula: C₁₀H₁₂N₂O Example sentencesExamples - Both serotonin and noradrenaline are activated in the brain by anxiety-inducing circumstances.
- These physiological changes decrease patients' pain thresholds and thereby increase pain sensation, anxiety, fear, and the release of pain transmitters, such as histamines, serotonins, kinins, and prostaglandins.
- These work by raising the levels of the chemicals serotonin and noradrenaline in the brain, which both tend to elevate the mood.
- There is some evidence of that the neurotransmitter serotonin may play a role in this disorder.
- Tryptophan is an amino acid that serves as a precursor to the neurotransmitter serotonin.
Origin 1940s: from serum + tonic + -in. |