释义 |
血吸虫xuèxīchóng寄生虫,灰白色,雌雄常合抱在一起。卵随粪便到水中,在水中孵化成毛蚴,进入钉螺体内变成尾蚴。尾蚴离开钉螺,遇到入水的人、畜就钻入皮肤,侵入体内,变成成虫。成虫主要寄生在肝脏和肠内,引起血吸虫病。血吸虫病的症状是发热、起风疹块、腹泻、有腹水、肝和脾肿大等。血吸虫病有的地区叫罗汉病。{blood fluke; schistosome; elongated trematode of the genus Schistosoma, greyish parasite, the male and female oft. clinging to each other, releasing eggs that are excreted together with feces out of the body of man or other mammals and hatch miracidia in water. The miracidia enter the snails, and after they have grown into cercarias, they leave the snails, penetrate the skin of man or mammals bathing or swimming in water, and grow into blood flukes that live parasitically in livers and intestines and cause schistosomiasis, or snail fever, which is known in some regions as 罗汉病luóhànbìng. Symptoms of snail fever are fever, wheals, diarrhoea, ascites, hepatomegaly, splenomegaly, etc.} |