microscopic view of a mast cell. mast cells are found resident in tissues throughout the body, particularly in association with structures such as blood vessels and nerves. - 細胞器 幅插畫檔、美工圖案、卡通及圖標
doctor examining human brain with magnifying glass. close-up of brain with nerve cell. researching neurological diseases - 細胞器 幅插畫檔、美工圖案、卡通及圖標頭痛, 研究, 醫生
illustration showing relative atomic mass of nucleus of boron-11 containing five protons and six neutrons - 細胞器 幅插畫檔、美工圖案、卡通及圖標
3d rendered illustration, visualisation of an anatomically correct mitochondrion, an organelle - 細胞器 幅插畫檔、美工圖案、卡通及圖標線粒體
microscopic view of mitochondria. mitochondria are the cell's power producers. they convert energy into forms that are usable by the cell. - 細胞器 幅插畫檔、美工圖案、卡通及圖標線粒體