Blood cells in a kidney. Transmission electron micrograph (TEM) of a section through a kidney glomerulus,showing red blood cells (erythrocytes,red) and a white blood cell (leucocyte,blue). Red blood cells are carriers of oxygen and carbon dioxide. Their biconcave surface provides maximum surface area for the exchange of gases. There are a number of different types of white blood cell,all of which are part of the immune system. Magnification x4500 when printed 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / PETER BOND, EM CENTRE, UNIVERSITY OF PLYMOUTH |
Bildgröße: | 4825 px × 3619 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |