释义 |
Definition of histamine in English: histaminenoun ˈhɪstəmiːn mass nounBiochemistry A compound which is released by cells in response to injury and in allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries. A heterocyclic amine; chemical formula: C₅H₉N₃ Example sentencesExamples - Allergic reactions involve the release of histamine, a chemical that triggers inflammation and swelling.
- Opioids can cause itching, by releasing histamine from mast cells.
- Quercetin reduces histamine degranulation and the subsequent release of histamine and inflammatory leukotrienes.
- In anaphylactic reactions it does switch off the cells that are releasing histamine…
- The allergic reaction causes the cells to release histamine, a chemical which prompts the sneezing and itching impulse.
Origin Early 20th century: blend of histidine and amine. Definition of histamine in US English: histaminenoun Biochemistry A compound which is released by cells in response to injury and in allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries. A heterocyclic amine; chemical formula: C₅H₉N₃ Example sentencesExamples - The allergic reaction causes the cells to release histamine, a chemical which prompts the sneezing and itching impulse.
- Opioids can cause itching, by releasing histamine from mast cells.
- Quercetin reduces histamine degranulation and the subsequent release of histamine and inflammatory leukotrienes.
- Allergic reactions involve the release of histamine, a chemical that triggers inflammation and swelling.
- In anaphylactic reactions it does switch off the cells that are releasing histamine…
Origin Early 20th century: blend of histidine and amine. |