这个词是什么意思？
Low-molecular-weight fragment of heparin, having a 4-enopyranosuronate sodium structure at the non-reducing end of the chain. It is prepared by depolymerization of the benzylic ester of porcine mucosal heparin. Therapeutically, it is used as an antithrombotic agent. (From Merck Index, 11th ed)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D017984 · MeSH 2026。
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