SEM through the wall of the duodenum
Numéro d’image : 11872662
| False-colour scanning electron micrograph (SEM) of a section through the duodenum. The duodenal wall has muscle layers (at far left,brown). Long ridge-like villi (blue,folds in the wall) project into the central lumen (at right). Villi greatly increase the absorptive & secretory surface of the duodenum. Digestive and stomach-acid neutralising enzymes are secreted by the duodenum; food is further digested here; this food is then absorbed into the blood through capillaries found in each villus. To aid absorption,villi are more widely distributed in the duodenum than elsewhere in the intestine. Magnification: x100 at 6x7cm size. Magnification: x160 at 4x5 inch size | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / DEPT. OF ANATOMY / PROF. P. MOTTA |
| Taille de l’image : | 4306 px × 5341 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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