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Stomach wall, SEM
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Stomach wall, SEM
Stomach wall. Coloured scanning electron micrograph (SEM) of a section through a freeze- fractured fold in the stomach wall. The stomach is lined by the mucosa (purple), whose glands secrete gastric juices into the stomach lumen (cavity, top). At the base of the mucosa is the muscularis mucosae (light brown), a thin layer of smooth muscle which provides local movements and folding of the mucosa. The submucosa (beige) lies beneath the muscularis mucosae. It is a layer of loose connective tissue that contains blood vessels and nerves (not seen). Beneath the submucosa is the muscularis (dark red), a layer of smooth muscle. Magnification: x50 at 6x7cm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6450107
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Alimentary Canal Connective Digestion Digestive System Fold Folded Folding Fracture Freeze Fractured Gastric Histology Layers Magnified Image Microscopic Photos Mucosa Mucosal Muscular Smooth Stomach Sub Mucosa Subjects Tissue Tract Wall Section Sectioned
EDITORS COMMENTS
This print showcases the intricate beauty of the stomach wall, as seen through a scanning electron microscope (SEM). The image reveals a freeze-fractured fold in the stomach wall, providing us with an up-close and detailed view of its anatomy. The mucosa, depicted in vibrant purple hues, lines the inner surface of the stomach. This layer contains glands that secrete gastric juices into the cavity of the stomach. Just beneath it lies the muscularis mucosae, represented by light brown tones. This thin layer of smooth muscle facilitates local movements and folding of the mucosa. In this magnified image, we can also observe the submucosa in beige shades. Composed of loose connective tissue, it houses blood vessels and nerves that support proper functioning but are not visible here. Further down is the muscularis itself, portrayed in dark red colors. This robust layer consists of smooth muscle responsible for propelling food along during digestion. Overall, this SEM photograph offers a glimpse into a healthy and normal sectioned portion of our digestive system's alimentary canal—the stomach. Its vivid colors and intricate layers provide valuable insights into how our bodies function on a microscopic level while highlighting both its complexity and elegance.
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