Histamina

histamina she is one composed by a imidazólico ring and a etilamino group like lateral chain.

Chemically, the histamina is 2-(4-imidazol)ethilamine and its formula is C5H9N3. It is the product of descarboxilación of , is fundamentally in barleys of conectivo weave and (a type of ) of peripheral.

Actions

  • Vasodilator: increase of hair permeability
  • Contraction of smooth
  • Increase of gastric secretion
  • Tachycardia (increase of cardiac frequency)
  • Mediator of immediate hipersensiblidad
  • Induction of mediators type

 

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