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Oesophagus lining, SEM

Oesophagus lining, SEM


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Oesophagus lining, SEM

Oesophagus lining. Coloured scanning electron micrograph (SEM) of the lining (epithelium) of the human oesophagus (gullet, blue) and two bacteria (red). The lining of the oesophagus is composed of non-keratinised, striated, squamous epithelial cells. They have a surface covered in these ridges (microplicae) that protect against the abrasion of rough food. Many types of bacteria are found in the alimentary canal, of which the oesophagus is the upper part. Rod-shaped varieties of bacteria are known as bacilli. The oesophagus is a muscular tube, about 25 centimetres long, that runs from the back of the throat down to the stomach

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6449571

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Bacilli Bacillus Bacteria Bacterium Digestion Digestive Epithelium False Colour Fold Folded Folds Gullet Histological Histology Lining Micro Organism Microbe Microplica Microplicae Oesophageal Oesophagus System Tissue False Coloured Micro Biology Microbiological


EDITORS COMMENTS
This print from Science Photo Library showcases the intricate details of the oesophagus lining in stunning clarity. The coloured scanning electron micrograph (SEM) reveals the fascinating composition of this vital part of the human body. The image highlights the non-keratinised, striated, squamous epithelial cells that make up the lining. These cells possess a unique surface covered in ridges called microplicae, which serve as a protective barrier against rough food and potential abrasion. Adding to the complexity of this microscopic world, two bacteria are also visible in vibrant red hues. These rod-shaped varieties known as bacilli represent just a fraction of the diverse microbial community found within our alimentary canal. Stretching approximately 25 centimetres long, the oesophagus is a muscular tube connecting our throat to our stomach. Its role in digestion is crucial, allowing for smooth transport of food and liquids down into our digestive system. This remarkable SEM image not only provides insight into normal anatomy but also offers an appreciation for the intricacies of biological systems at such minuscule scales. It serves as a reminder that even within ourselves lies an entire universe waiting to be explored by scientists and researchers alike.

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