biomedical illustration of tuberculosis in the human lungs, with magnified section. - 革蘭氏染色 幅插畫檔、美工圖案、卡通及圖標
microscopic view of tetanus. tetanus is caused by the tetanus bacterium, clostridium tetani. tetanus is often associated with rust. - 革蘭氏染色 幅插畫檔、美工圖案、卡通及圖標
microscopic view of bacterial pneumonia. bacterial pneumonia is a type of pneumonia caused by bacterial infection. - 革蘭氏染色 幅插畫檔、美工圖案、卡通及圖標
diagram showing the process of helicobacter pylori bacteria entering the stomach and causing ulcers. - 革蘭氏染色 幅插畫檔、美工圖案、卡通及圖標
microscopic view of bacterial pneumonia. bacterial pneumonia is a type of pneumonia caused by bacterial infection. - 革蘭氏染色 幅插畫檔、美工圖案、卡通及圖標