这个词是什么意思？
A genus of nematode intestinal parasites that consists of several species. A. duodenale is the common hookworm in humans. A. braziliense, A. ceylonicum, and A. caninum occur primarily in cats and dogs, but all have been known to occur in humans.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000722 · MeSH 2026。
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