vorticella, a single-celled, microscopic protozoan (ciliate) famous for its bell-shaped body and spring-like stalk victorian 19th century vintage illustration - 鐘形蟲 幅插畫檔、美工圖案、卡通及圖標
nineteenth century scientific engraving depicting microscopic vorticella protozoans with contractile stalks and bell shaped bodies - 鐘形蟲 幅插畫檔、美工圖案、卡通及圖標
spirostomum is a genus of ciliated protists that belongs to the class heterotrichea - 鐘形蟲 幅插畫檔、美工圖案、卡通及圖標
spirostomum is a genus of ciliated protists that belongs to the class heterotrichea - 鐘形蟲 幅插畫檔、美工圖案、卡通及圖標