【文章內(nèi)容簡(jiǎn)介】
n southwestern Yunnan Province are also affected. ? However, it remains to be determined whether the schistosome in people of the Mekong Valley in Yunnan Province is S. japonicum or S. mekongi. ? In Taiwan there is an enzootic region in the midwestem part of the island but no evidence of locally acquired human infectjon has been reported. ? In the Philippines infection is endemic on Leyte, Mindanao, Mindoro, Samar, and southwestern Luzon. A focus of infection was found by Brug and Tesch (1937) and confirmed by Faust and Bonne (1948) in the Paloe District of Celebes (Fig. 271). ? ln 1958 an apparently newly infested area was discovered in Thailand, some distance south of Bangkok。 ? since then infections have been reported from areas to the north and northeast of Bangkok (Lee et al., 1966). ? In addiuon, Barbier(1966) reported a new endemic focus in the Mekong Valley in western Laos and human infection has been reported from the Mekong River area in Cambodia (Audebaud et al., 1968) . ? More recentJy the Mekong schistosome was described as a distinct species, Schistosoma mekongi Voge,Bruckner and Bruce, 1978. ?蟲(chóng)體外形似線蟲(chóng) 。 ?具有口、腹吸盤(pán) 。 ?雌雄異體,生活蟲(chóng)體呈合抱狀態(tài)。 ?雄蟲(chóng)長(zhǎng) 1~ 2cm,雌蟲(chóng)體長(zhǎng) 2~。 (adult ) 日本血吸蟲(chóng)雌雄合抱(染色) 日本血吸蟲(chóng)雌雄合抱(電鏡) 日本血吸蟲(chóng)雄性蟲(chóng)體內(nèi)部結(jié)構(gòu) 日本血吸蟲(chóng)雄性蟲(chóng)體(染色圖) 日本血吸蟲(chóng)雄