Small intestine villus, SEM
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Small intestine villus, SEM
Small intestine villus. Coloured scanning electron micrograph (SEM) of a freeze fracture section through a villus of the intestinal lining. Villi are finger-like projections that increase the surface area of a structure. The outer surface is mostly columnar epithelium (pink), which absorbs food. Within in the epithelium are goblet cells (dark pink ovals), which secrete mucus to lubricate food and prevent self-digestion. The lamina propria or central core (orange) contains the blood supply that transports the products of digestion, individual red blood cells (red) are seen within it. Magnification: x400 at 6x7cm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6450147
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Absorptive Alimentary Canal Columnar Digestion Digestive System Enterocyte Enterocytes Epithelial Epithelium Fracture Goblet Cell Histology Intestinal Lamina Propria Lining Membrane Mucosa Mucous Mucus Secretory Small Intestine Surface Tissue Villi Villus Cells
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