HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY
Light micrograph of a section through the wall of the stomach. At top is the lumen through which food passes. The folded mucosa (pink) is the lining of the stomach with simple columnar cells on the surface that secrete mucus to protect the stomach from digestive acids and enzymes. Gastric pits beneath are glands that make the acids and enzymes needed to digest food. Magnification: x100 at 24x36mm size.
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