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histamine Definition

his·ta·mine (histə mēn′, -min′)

noun

an amine, CHN, produced by the decarboxylation of histidine and found in all organic matter: it is released by the tissues in allergic reactions, lowers the blood pressure by dilating blood vessels, stimulates gastric secretion, etc.

Etymology: hist(idine)- + amine

histamine Related Forms
his′·ta·minic (-minik) adjective
histamine Usage Examples

Converse of object

  • release: But sometimes the body releases too much histamine and this produces the allergic reaction.
  • call: During an allergic reaction, a chemical called histamine is released by cells in the skin.
  • produce: The antibodies signal the body to produce histamine, which causes the airways to inflame.
  • contain: Some fish, if they are not processed properly or stored at a cold enough temperature, may contain histamine.
  • include: Meanwhile, further chemicals are produced ( including histamine ) which together cause the typical symptoms.
  • prevent: Antihistamine tablets and syrups Antihistamines prevent the histamine your body produces to the allergen from causing the allergic symptoms.

Adjective modifier

  • anti: I have tried every nasal spray and anti histamine available.
  • much: This can prevent the immune system from producing too much histamine.

Modifies a noun

  • antagonist: Histamine antagonists were not found to reduce the rate of gastric ulcers with either short term or long term trials.
  • receptor: They work by blocking histamine receptors in the stomach, which prevent the cells in the stomach from producing too much acid.
  • release: Instead more durable markers of histamine release should be sought.
  • level: They found that by the time the higher levels of vitamin C were reached, volunteers ' histamine levels had dropped by 40 % .
  • blocker: Certain medications ( eg histamine blockers, proton pump inhibitors ) may also disrupt GI function.
  • tablet: I always have anti histamine tablets in their first aid kit, so I gave him two and rushed him to the vets.

Noun used with modifier

  • release: In response to an allergen entering the body, mast cells in our immune systems release histamine, the substance that causes allergic symptoms.
  • novel: Product candidates rEV131 - a novel histamine binding protein.
  • chemical: When the chemical histamine is released into the blood, it attaches to these receptor cells.
  • sedative: For example searching for sedative histamine will not find any SPCs or PILs containing the words sedating histamine.
  • methyl: Collect a sample of urine shortly after an attack for urinary methyl histamine, which will be excreted in the following hour.
  • neurotransmitter: Histidine is metabolized into the neurotransmitter Histamine which is used by the body in its response to foreign substances.

Browse dictionary entries near histamine

  1. histaminase
  2. hist-
  3. hist
  4. hissy fit
  5. hiss
  6. hispid
  7. Hispano
  8. Hispanist
  9. Hispaniola
  10. Hispanic
  1. histidine
  2. histiocyte
  3. histo-
  4. histochemistry
  5. histocompatibility
  6. histogen
  7. histogenesis
  8. histogram
  9. histology
  10. histolysis