棘头虫的幼虫期,在节肢动物宿主体内,先于感染性囊虫阶段。
棘头体; 棘头蚴
棘头虫的幼虫期,在节肢动物宿主体内,先于感染性囊虫阶段。
A larval stage of a species of phylum Acanthocephala of worms, formed within the arthropod host, preceding the cystacanth stage which is infective to the definitive host.
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