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弓形体病系由戈弟弓形体(Toxoplasmagondii)原虫所引起的全身性传染病。临床表现复杂,是一种自然疫源性疾病。自1908年Darling首例报告活检证实的患者以来的资料表明全球都有本病存在,约有五亿以上人口受其感染。我国自1956年钟惠澜对本病进行研究以来,至目前从动物和临床病例均已证实其存在。生活史根据发育期其形态分为滋养体、包囊、假包囊(在中间宿主)、裂殖体、配子体、卵囊(在终宿主)。弓形体的生活史现已基本弄清,分为无性和有性生殖两个时期。分别在中间宿主(爬虫类、鱼类、鸟类、昆虫类、哺乳类和人)及终宿主(猫及某些猫科动物)进
Toxoplasmosis is a systemic disease caused by the protozoan Toxoplasmagondii. Clinical manifestations of complex, is a natural foci of disease. Since the first Darling report in 1908 on the biopsy confirmed by the patient data have shown that the existence of the disease worldwide, about 500 million people infected. Since 1956, Zhong Huilan in our country to study the disease, up to now, animal and clinical cases have confirmed its existence. Life histories are divided into trophozoites, cysts, pseudocysts (in the intermediate host), schizonts, gametocytes, and oocysts (in the terminal host) according to their morphology during development. Toxoplasma life history has now been basically clear, divided into two periods of asexual and sexual reproduction. Respectively in the intermediate host (reptiles, fish, birds, insects, mammals and humans) and the final host (cats and some cats) into