这个词是什么意思？
A subclass of protozoans commonly parasitic in the epithelial cells of the intestinal tract but also found in the liver and other organs. Its organisms are found in both vertebrates and higher invertebrates and comprise two orders: EIMERIIDA and EUCOCCIDIIDA.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D003044 · MeSH 2026。
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