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在我国南方,有些水生植物如菱角、藕、荸荠等,生吃起来味道很美,但这样吃很容易引起一种疾病——姜片虫病。姜片虫是一种寄生虫,在人体小肠内产卵,从大便排出。由于我国南方常用粪便作为植物的肥料,很容易将虫卵带入水中。虫卵在一定温度下孵出毛蚴,钻进扁卷螺的体内,经过一系列的发育,产生尾蚴。菱角、藕、荸荠的根茎是扁卷螺喜欢吃的食物,当扁卷螺靠近菱角、藕、荸荠等水生物的根茎时,螺体内的尾蚴就会跑出来,附着在它们上面成为囊蚴。
In southern China, some aquatic plants such as water chestnuts, lotus root, water chestnuts, etc., raw taste delicious, but it is easy to eat a disease that causes a disease - ginger worm disease. Ginger worm is a parasite that spawns in the human small intestine and excretes from the stool. Due to the common manure used in southern China as plant fertilizers, it is easy to bring the eggs into the water. Eggs hatch at a certain temperature miracidia, into the body of flat snails, after a series of development, produce cercariae. Water chestnuts, lotus root, water chestnut rhizome is a flat snail like to eat food, when the flat snail near water chestnut, lotus, water chestnuts and other aquatic rhizome, snail cercariae will run out, attached to them as a metacercaria.