Medical

arachnase

arach·nase

(ă-rak'nās)

A positive control plasma for the monitoring of clotting-endpoint coagulation tests used in the detection of circulating lupus anticoagulants. It is a normal plasma that contains a venom extract from the brown recluse spider, Loxosceles reclusa, which mimics the presence of a lupus anticoagulant in several clotting-endpoint tests.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

References in periodicals archive

ARACHNase: an evaluation of a positive control for platelet neutralization procedure testing with seven commercial activated partial thromboplastin time reagents.

Cutaneous and systemic effects of varying doses of brown recluse spider venom in a rabbit model

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