slow reacting substance of anaphylaxis


slow reacting substance of anaphylaxis
(= SRS-A)
Potent bronchoconstrictor and inflammatory agent released by mast cells; an important mediator of allergic bronchial asthma. A mixture of three leukotrienes (LTC4 mainly, LTD4 and LTE4)

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • slow-reacting substance of anaphylaxis — n a mixture of three leukotrienes produced in anaphylaxis that causes contraction of smooth muscle after minutes in contrast to histamine which acts in seconds and that is prob. responsible for the bronchoconstriction occurring in anaphylaxis… …   Medical dictionary

  • Slow reacting substance of anaphylaxis — The Slow reacting substance of anaphylaxis or SRS A is a mixture of the leukotrienes LTC4, LTD4 and LTE4. Mast cells secrete it during the anaphylactic reaction, inducing inflammation. [cite web|title= Dorland s Medical Dictionary| url=… …   Wikipedia

  • slow-reacting substance — n SLOW REACTING SUBSTANCE OF ANAPHYLAXIS abbr. SRS …   Medical dictionary

  • anaphylaxis — n. 1. [Gr. ana back, way from + fy laxis security, protection.] 1. (Med.) hypersensitivity (to a protein or drug) resulting from prior contact with a substance. [WordNet 1.5] 2. (Med.) an immediate but transient allergic reaction to an antigenic… …   The Collaborative International Dictionary of English

  • substance — Stuff; material. SYN: substantia [TA], matter. [L. substantia, essence, material, fr. sub sto, to stand under, be present] alpha s. SYN: reticular s. (1). anterior perforated s. [TA] a region at the base …   Medical dictionary

  • anaphylaxis — An induced systemic or generalized sensitivity; at times the term a. is used for anaphylactic shock. The term is commonly used to denote the immediate, transient kind of immunologic (allergic) reaction characterized by contraction of smooth …   Medical dictionary

  • SRSA — slow reacting substance of anaphylaxis …   Medical dictionary

  • SRSA — • slow reacting substance of anaphylaxis …   Dictionary of medical acronyms & abbreviations

  • SRS-A — • slow reacting substance of anaphylaxis …   Dictionary of medical acronyms & abbreviations

  • SRS-A — Slow reacting substance of anaphylaxis (Sustancia de reacción lenta de la anafilaxia) …   Diccionario de siglas médicas y otras abreviaturas


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.