Coloured SEM of human red blood cells
Numéro d’image : 11869384
| Red blood cells. Coloured scanning electron micrograph (SEM) of a group of human red blood cells (erythrocytes). Mature erythrocytes are biconcave in shape,as seen here,with a diameter of about 7 microns. They have no nucleus and the cytoplasm is packed with haemoglobin,a red pigment by which oxygen is transported around the body. During its short life (about four months) a red blood cell covers about 15km every day for a total of 1500km. It transports oxygen from the lungs to the tissues where it is necessary for all metabolic processes. In a litre of blood there are normally 5000 billion red blood cells. Magnification: x2,200 at 6x7cm size. x7,500 at 8x10ins | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Murti, Dr. Gopal |
| Taille de l’image : | 3382 px × 4112 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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