The ultrastructures of cnidoblast and nematocyst of Craspedacusta sowerbyi from Xiaoshan(Hangzhou,Zhejiang Province) were studied by transmission electron microscopy.

• 利用透射电镜对索氏桃花水母的粘性刺丝囊刺细胞与穿刺刺丝囊刺细胞的超微结构进行了研究。