protozoa, a single-celled organism that feeds by scavenging for particles and other microorganisms, such as bacteria, or by absorbing nutrients from their environment - 細胞骨架 幅插畫檔、美工圖案、卡通及圖標細菌
directed differentiation of multipotential human neural progenitor cells. - 細胞骨架 個照片及圖片檔細胞, 神經細胞, Astrocyte
conceptual image of radiolarians with a skeletal frame. radiolarians are tiny protozoans that live in the ocean. - 細胞骨架 幅插畫檔、美工圖案、卡通及圖標放射蟲類
