conceptual image of the golgi apparatus. the golgi apparatus is an organelle found in most eukaryotic cells. - 原生質 幅插畫檔、美工圖案、卡通及圖標
microscopic view of h5n1 virus with red blood cells and white blood cells. - 原生質 幅插畫檔、美工圖案、卡通及圖標病毒, 瘟疫
comparison of a healthy artery and an unhealthy artery with plaque build-up inside. - 原生質 幅插畫檔、美工圖案、卡通及圖標
conceptual image of hiv virus. hiv is the human immunodeficiency virus that can lead to acquired immune deficiency syndrome, or aids. - 原生質 幅插畫檔、美工圖案、卡通及圖標
illustration of the structure of a plant cell, including nucleus, nucleolus, ribosome, endoplasmatic - 原生質 幅插畫檔、美工圖案、卡通及圖標植物細胞
古董植物學插圖 - 原質:vaucheria (a), 歐多尼 (b), 德拉帕納迪亞 (c), 柯洛恰特 (d), 薄物 (e-g), 富庫斯 (h), 富納裡亞 (i), 斯巴古納姆 (k), 阿迪安圖姆 (l) - 原生質 幅插畫檔、美工圖案、卡通及圖標
cluster of hiv virus. hiv is the human immunodeficiency virus that can lead to acquired immune deficiency syndrom, or aids. - 原生質 幅插畫檔、美工圖案、卡通及圖標