这个词是什么意思？
Small, often pleomorphic, coccoid to ellipsoidal organisms occurring intracytoplasmically in circulating LYMPHOCYTES. They are the etiologic agents of tick-borne diseases of humans; DOGS; CATTLE; SHEEP; GOATS; and HORSES.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D004536 · MeSH 2026。
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