balantidium coli is a parasitic species of ciliate alveolates that causes the disease balantidiasis - 草履蟲 幅插畫檔、美工圖案、卡通及圖標黑白片
detailed scientific illustration of paramecium paramecium depicting cilia and internal structures - 草履蟲 幅插畫檔、美工圖案、卡通及圖標
balantidium coli is a parasitic species of ciliate alveolates that causes the disease balantidiasis - 草履蟲 幅插畫檔、美工圖案、卡通及圖標
magnification of various paramecia unicellular organisms with biological processes - 19th century - 草履蟲 幅插畫檔、美工圖案、卡通及圖標