Two unknown marine species of the genus Diphyllobothrium from human cases.

概要

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The morphological characteristics oftwo unknown marine species of the genus Diphyllobothrium were recorded. A cestode spontaneously expelled from a 27-year-old seaman resembled D. cameroni Rausch, 1969 from a Japanese seaman by Kamo et al. (1981) in the external morphology, but was different in the relative position of the uterine pore. It was related to D. hians (Diesing, 1850) in the position and shape of the cirrus sac, and in the relative position of the cirrus sac to the seminal vesicle, but was different in the shape and size of the scolex. Another cestode expelled after treatment with kamala from a 50-year-old seaman resembled D. hians in the shape of proglottids, the development of inner longitudinal muscle layer, the position of genital atrium, the uterine loops, and egg-sizes. This was rather related to D. elegans (Krabbe, 1865) in the shape and position of the cirrus sac and the relative position of the cirrus sac to the seminal vesicle, and was different from D. hians in these characteristics. The definite identification should be established in the future on the basis of more detailed materials and methods.
日本熱帯医学会の論文