Inner area of the renal medulla. 0.5 µm thick section of material embedded in plastic, stained with toluidine blue. The image shows three types of tubes cut longitudinally. One, of which two examples are seen in the upper area of the image, has its light occupied by blood, in which the red blood cells stand out. They are capillaries whose thin endothelium is difficult to identify even at this

圖片編號： 242706724
拍攝者： Jlcalvo