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汉语拼音：xuè xī chóng

寄生虫，长约一两厘米，雄虫乳白色，雌虫后半部褐色，雌雄常合抱在一起。寄生在人和其他动物静脉系统的小血管中，可引起血吸虫病。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。

1. 一种寄生虫。灰白色，雌雄异体，常合抱在一起。卵随粪便到水中，孵化成毛蚴，进入钉螺体内变成尾蚴，然后离开钉螺，遇到入水的人、畜就钻入皮肤，侵入体内，变成成虫，主要寄生在肝脏和肠内，引起血吸虫病。

   秦牧 《艺海拾贝·并蒂莲的美感》：“那使病人肚皮臌胀、骨瘦如柴的血吸虫，是小小的长仅一厘米左右的小虫，它们寄生在人体里的时候，雄虫一生都抱着雌虫过活。它们形影不离比较鸳鸯鸟、双飞蝶之类，都要有过之而无不及。但请问，有谁提到它们时，会产生什么美感呢！”

• Schistosomiasis, a parasitic disease transmitted by aquatic snails, also seems to be affected by climate.

  由水生螺传播的一种称为血吸虫病的寄生虫病似乎也会受到气候的影响。

• They have also made a logic element out of a pair of leech neurons (nerve cells from blood-sucking worms) placed on a microchip.

  他们还用一对放在微芯片上的水蛭神经元（而神经细胞来自血吸虫）组成了一个逻辑元。

• Schistosomes also possess what seems to be a cloak of invisibility: an unusual covering known as the tegument .

  血吸虫还有一种如同隐形披风的特殊外衣，称为体壁。

• As it swims, a dolphin uses its pectoral flippers to steer and, with the help of the flukes, to stop.

  它游泳，海豚的胸肌蛙鞋引导和利用，借助了血吸虫，停止。

• Tiny worms hatch from the eggs in the water, and use snails as an intermediate host until they're large enough to float freely in the water.

  在水中，微小的血吸虫从卵里孵化出来，利用钉螺作为中间宿主，直到它们长大到足以在水中自由飘浮。

• A team in the United States found that chemical compounds known as oxadiazoles can target an enzyme needed for the survival of Schistosoma.

  美国的一个研究组找到一种化合物，恶二唑，可以攻击血吸虫生存所需要的一种酶。

• There was no significant difference on the positive rate of antibody in spots B and C.

  单退点和对照点人群的血吸虫抗体阳性率无显著变化。

• There were enough medicines to go around. So schistosomiasis had been wiped out for good in M state.

  药品足够分配，于是血吸虫病在M州被永久消灭了。

• Objective To understand the main reasons of the missing cases' report for acute schistosomiasis.

  目的了解我国急性血吸虫病疫情漏报的主要原因。