分布国内分布于香港、台湾、云尚到吉林的广大区域；国外分布在日本、朝鲜等。
利用空气干燥法对淡水三角涡虫的染色体进行研究。
The chromosomes of Dugesia sp. from various stations were studied by air-drying technique.
这些结构差异反映出日本三角涡虫在涡虫纲系统演化中处于较高级的地位。
These structural differences reflect that the planarian (Dugesia japonica) lies in the position of a much higher grade in course of the systematic evolution of Turbellaria.
采用一氧化氮合酶（NOS）组织化学定位方法研究了三角涡虫的NOS的分布。
The localization of nitric-oxide synthase (NOS) in Dugesia japonica has been studied with NADPH-d histochemistry method.
应用推荐