illustration of how an amoeba moves, liquid cytoplasm flowing through pseudopods carrying organelles with it, amoeba sending out pseudopods in direction of motion - 原生質 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. - 原生質 幅插畫檔、美工圖案、卡通及圖標
asexual reproduction (cell division) in a diatom, a type of single-celled algae known for its unique glass-like shell - 原生質 幅插畫檔、美工圖案、卡通及圖標
conceptual image of radiolarians with a skeletal frame. radiolarians are tiny protozoans that live in the ocean. - 原生質 幅插畫檔、美工圖案、卡通及圖標
microscopic view of dentine. dentine is the main supporting structure of the tooth and is the second hardest tissue in the body after enamel. it is 70% mineral and acellular. - 原生質 幅插畫檔、美工圖案、卡通及圖標
microscopic view of an artery cross-section with blood flow, fat plaque and stent deployment. - 原生質 幅插畫檔、美工圖案、卡通及圖標心臟病, 動脈粥狀硬化
medical illustration depicting the effects of envenomation by the eastern massasauga rattlesnake. - 原生質 幅插畫檔、美工圖案、卡通及圖標響尾蛇類
vaucheria, oedogonium, draparnaldia, coleochaete, botrydium and other motile protoplasm examples - 原生質 幅插畫檔、美工圖案、卡通及圖標