Medical Dictionary

slow–reacting substance of anaphylaxis

noun

Medical Definition of SLOW-REACTING SUBSTANCE OF ANAPHYLAXIS

:  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 probably responsible for the bronchoconstriction occurring in anaphylaxis—abbreviation SRS-A

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July 01, 2015
precarious Hear it
not certain, secure, or steady
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