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Intestinal bacteria, SEM

Intestinal bacteria, SEM


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Intestinal bacteria, SEM

Intestinal bacteria. Coloured scanning electron micrograph (SEM) of bacteria (green) on the surface of the duodenum. The duodenum is the first part of the small intestine, the part that receives food from the stomach. A healthy human intestine has a large population of bacteria, most of which are harmless and some of which aid digestion. Cases of food poisoning often involve a bacterial strain that upsets the digestive system. The raised lumps are the intestinal villi, and the white, hair-like structures are microvilli, which absorb nutrients from food. Magnification: x2100 when printed 10cm high

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

Media ID 6293821

© BIOMEDICAL IMAGING UNIT, SOUTHAMPTON GENERAL HOSPITAL/SCIENCE PHOTO LIBRARY

Bacteria Bacteriology Bacterium Digestion Digestive System Duodenum False Colour Intestinal Intestine Intestines Micro Organism Micro Organisms Microbe Microbes Microvilli Villi False Coloured Micro Biology Microbiological


EDITORS COMMENTS
This print from Science Photo Library showcases the intricate world of intestinal bacteria. In this coloured scanning electron micrograph (SEM), we are given a glimpse into the surface of the duodenum, which is the first part of our small intestine responsible for receiving food from the stomach. The vibrant green bacteria that adorn the duodenal surface represent a healthy population within our intestines. While most of these microorganisms are harmless, some play a crucial role in aiding digestion. However, it is worth noting that certain strains can upset our digestive system and lead to food poisoning. As we delve deeper into this image, we notice raised lumps known as intestinal villi and delicate white hair-like structures called microvilli. These microscopic features serve an essential purpose - they absorb nutrients from our food, ensuring proper nourishment for our bodies. With a magnification level of x2100 when printed at 10cm high, this SEM photograph allows us to appreciate the complexity and beauty found within our own biological systems. It serves as a reminder that even on such minuscule scales, there exists an entire ecosystem working harmoniously to support human health and well-being.

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