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单词 gamma-aminobutyric acid
释义

Definition of gamma-aminobutyric acid in English:

gamma-aminobutyric acid

noun-ˈamɪnəʊ--əˌmʌɪnəʊ-ˌɡaməəˌmiːnəʊbjuːˈtɪrɪkˈɡamə-əˌmēnōbyo͞oˈtirik ˈasid
mass nounBiochemistry
  • An amino acid which acts to inhibit the transmission of nerve impulses in the central nervous system.

    〔生化〕γ-氨基丁酸

    Chemical formula: H₂NCH₂CH₂CH₂COOH

    Example sentencesExamples
    • Important neurotransmitters that are created from amino acids include serotonin and gamma-aminobutyric acid.
    • Instead, the etiology of the disorder is related to abnormalities of serotonin, norepinephrine, gamma-aminobutyric acid, dopamine, and cholecystokinin.
    • Phytosterols, a volatile oil, and amino acids, including gamma-aminobutyric acid and L-canavanine, have been isolated from the root.
    • These effects are thought to occur by enhancing the actions of gamma-aminobutyric acid in the central nervous system.
    • Hypoxia increases central nervous system levels of specific neuroinhibitors such as endogenous opioids, adenosine, and gamma-aminobutyric acid.

Origin

Early 20th century: gamma indicating the relative position of amino on the third carbon away from the acid group.

Definition of gamma-aminobutyric acid in US English:

gamma-aminobutyric acid

nounˈɡamə-əˌmēnōbyo͞oˈtirik ˈasid
Biochemistry
  • An amino acid which acts to inhibit the transmission of nerve impulses in the central nervous system.

    〔生化〕γ-氨基丁酸

    Chemical formula: H₂NCH₂CH₂CH₂COOH

    Example sentencesExamples
    • These effects are thought to occur by enhancing the actions of gamma-aminobutyric acid in the central nervous system.
    • Hypoxia increases central nervous system levels of specific neuroinhibitors such as endogenous opioids, adenosine, and gamma-aminobutyric acid.
    • Phytosterols, a volatile oil, and amino acids, including gamma-aminobutyric acid and L-canavanine, have been isolated from the root.
    • Important neurotransmitters that are created from amino acids include serotonin and gamma-aminobutyric acid.
    • Instead, the etiology of the disorder is related to abnormalities of serotonin, norepinephrine, gamma-aminobutyric acid, dopamine, and cholecystokinin.

Origin

Early 20th century: gamma indicating the relative position of amino on the third carbon away from the acid group.

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更新时间:2024/10/19 10:19:16