淡水螺

淡水螺类去壳干重和无灰干重的换算方法

Conversion methods of freshwater snail tissue dry mass and ash free dry mass

携带肺吸虫尾蚴的淡水螺类一新属二新种记述

On new genus and species of freshwater snails harbouring cercariae of lung flukes from China

长沙地区的淡水螺类

Freshwater snails in the Changsha Region

病前一个月内有食用未熟的淡水螺肉或贝虾史；

There wasa history of ingesting raw or inadequately heated freshwater snails or shrimps / crustaceanswithin a month before onset .

用玻片压碎法、压片法和人工消化法检查中间宿主淡水螺、鱼类的自然感染情况；

The natural infection of intermediate hosts including freshwater snails and fishes was examined by slide and artificial digestive methods ;

在水中，淡水螺中释放出的尾蚴侵入人体皮肤，造成感染。

Larval forms of the parasites , which are released by freshwater snails , penetrate the skin of people in the water .

腹足类的一个很大的目，用肺状囊呼吸，包含大部分的陆生螺蛞蝓及许多淡水螺类。

Large order of gastropods usually breathing by means of a lung-like sac comprising most land snails and slugs and many freshwater snails .

在野外现场采集不同品种的淡水螺和陆生螺，用匀浆法和肺检查法解剖调查广州管圆线虫感染情况；

Different species of freshwater snails and terraneous snails were collected in wild fields for detecting the infection by homogenization and lung dissection methods .

人们如果接触受侵染的水，淡水螺中释放出的尾蚴侵入人体皮肤，就会造成感染。

People become infected when larval forms of the parasite – released by freshwater snails – penetrate their skin during contact with infested water .

pH值低于5.0时，淡水肺螺类产的卵袋数量较少，卵孵化时间较长，幼螺生长较缓慢。

When pH value is below 5.0 , freshwater pulmonate snails produce less cocoons , their hatching period is longer , and the growth of Young snails is slower .

膀胱螺科的模式属；属淡水空气呼吸的螺的一个属。

Type genus of the physidae ; freshwater air-breathing snails .