False-colour TEM of a duodenal goblet cell

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False-colour TEM of a duodenal goblet cell

False-colour transmission electron micrograph of a duodenal goblet cell, a modified columnar epithelial cell responsible for the synthesis & secretion of mucus. The cell is carrot-shaped and its distended cytoplasm contains numerous mucigen granules (circular objects, top), which combine with water to form mucus. The base of the cell contains an elongated nucleus (yellow). The cyto- plasm surrounding the nucleus is packed with rough endoplasmic reticulum (purple, linear structure) which synthesises the protein content of mucigen. The goblet cell is surrounded by absorptive epithelial cells (yellow), bearing microvilli (top). Mag: x2, 400 at 6x7cm, x1, 200 at 35mm size

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

Media ID 6450211

© CNRI/SCIENCE PHOTO LIBRARY

Digestion Digestive System Duodenum Goblet Cell Small Intestine False Coloured

EDITORS COMMENTS
This print showcases a false-colour transmission electron micrograph of a duodenal goblet cell, a specialized columnar epithelial cell found in the small intestine. Responsible for the synthesis and secretion of mucus, this modified cell plays a crucial role in maintaining the health of our digestive system. The image reveals a carrot-shaped goblet cell with its distended cytoplasm filled with numerous mucigen granules, represented as circular objects at the top. These granules combine with water to form mucus, which acts as a protective barrier for the delicate lining of our gut. At the base of the cell lies an elongated nucleus depicted in yellow. Surrounding it is densely packed rough endoplasmic reticulum shown in purple linear structures. This network synthesizes the protein content necessary for producing mucigen. Surrounded by absorptive epithelial cells also highlighted in yellow, this goblet cell stands out amidst its neighboring cells due to its unique function and structure. The absorptive cells bear microvilli on their surface, enhancing their ability to absorb nutrients from digested food. With magnification levels at x2,400 for 6x7cm prints and x1,200 for 35mm size prints, this stunning image provides us with an intricate view into one aspect of human anatomy that contributes significantly to digestion and overall well-being.

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