False-colour SEM of intestinal villi
Numéro d’image : 11872646
| False-colour scanning electron micrograph of a section through the wall of the human duodenum,showing the many tiny folds,known as villi,which project 0.5 to 1 mm out into the intestinal lumen. These folds greatly increase the effective absorptive and secretory surface of the mucosa (mucus membrane) which lines the small intestine. Each villus contains a central core of connective tissue (yellowish orange),known as the lamina propria. This contains large blood vessels,capillaries,some smooth muscle cells and a blind- ended lymph vessel known as a lacteal. Magnification: x50 at 6x6 cm size | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Scharf, David |
| Taille de l’image : | 4096 px × 4096 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : |
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