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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한의생명과학회 대한의생명과학회지 대한의생명과학회지 제11권 제2호
발행연도
2005.6
수록면
153 - 163 (11page)

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To clarify the species validity of the genus Spirometra, the biological characteristics of Spirometra erinacei and S. mansonoides by developmental stages were compared. Their experimental life cycles were maintained under the same laboratory conditions, and the biological characteristics were experimentally observed in vivo and iii vitro conditions. Eggs of S. erinacei and S. mansonoides were 59.6×35.6 ㎛ and 61.4×35.8 ㎛ in each average size. Both of them became fully matured and hatched in 8 days after incubation at 29℃. The coracidium of S. erinacei was 43.6×35.8 ㎛ in average size, and retained a oncosphere of 39.3×31.0 ㎛. That of S. mansonoides was 43.0×36.3 ㎛ in average size, and retained a oncosphere of 38.3×30.8 ㎛. Procercoids of S. erinacei were somewhat larger than those of S. mansonoides. Both species of procercoids older than 7 days in cyclops had minute spines at the anterior end, calcium corpuscles in the parenchyme and a cercomer at the posterior end. The procercoids older than 4 days in cyclops were infective to tadpoles. The procercoids older than 8 days revealed the infectivity to mice. Plerocercoids of S. erinacei were somewhat lager than those of S. mansonoides when they were compared by age of worms in tadpoles. Both species of plerocercoids older than 5 days were infective to mice. Among 138 plerocercoids of S. erinacei recovered from the experimental mice,55 (39.9%) were detected in the neck portion,35 (25.4%) in the back portion,25 (18.1%) in the anterior legs, and 23 (16.7%) were found in the abdomen. In case of S. mansonoides plerocercoids, 42.0% were found in the neck portion, 23.8% in the back portion, 14.4% in the abdomen, 13.3% in the anterior legs, and 6.1% were found in the posterior legs. From the above results, it was confirmed that the biological characteristics of S. erinacei and S. mansonoides are almost same when their life cycles are mainteined under the same laboratory condition. Accordingly, these findings suggest that S. erinacei and S. mansonoides may be the same species.

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UCI(KEPA) : I410-ECN-0101-2009-510-017356412