这个词是什么意思？
A superfamily of nematodes. Most are intestinal parasites of ruminants and accidentally in humans. This superfamily includes seven genera: DICTYOCAULUS; HAEMONCHUS; Cooperia, OSTERTAGIA; Nematodirus, TRICHOSTRONGYLUS; and Hyostrongylus.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D014251 · MeSH 2026。
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