F/colour SEM of oesophagus-stomach transition zone

F/colour SEM of oesophagus-stomach transition zone

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This image is part of the feature Landscapes Of The Human Body

Credit: PROF. P. MOTTA/DEPT. OF ANATOMY/UNIVERSITY "LA SAPIENZA", ROME/SCIENCE PHOTO LIBRARY

Caption: Microplicae of oesophagus: false-colour scanning electron micrograph (SEM) of the lining of the oesophagus (gullet), showing microplicae or microridges througout the surface. The oesophagus is lined with a stratified, non- keratinized epithelium that is adapted for strength & protection in its task of conveying food to the stomach. The narrow valleys created by the microplicae provide space to act as a reservoir for the mucous secreted by the epithelium. This mucous lubricates the lining of the gullet & assists the passage of food. Magnification: x2600 at 6x7cm size.

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Keywords: anatomy, digestion, digestive system, epithelium, esophagus, gut, human body, microplica of, mucosa, oesophagus

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