这个词是什么意思？
A product of the lysis of plasminogen (profibrinolysin) by PLASMINOGEN activators. It is composed of two polypeptide chains, light (B) and heavy (A), with a molecular weight of 75,000. It is the major proteolytic enzyme involved in blood clot retraction or the lysis of fibrin and quickly inactivated by antiplasmins.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D005341 · MeSH 2026。
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