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SEM of a human mast cell
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SEM of a human mast cell
False-colour transmission electron micrograph of a human mast cell or mastocyte. Mast cells are found in connective tissue and form part of the bodys immune system. The cell contains a large circular nucleus (pink), surrounded by numerous small dark granules (red). The granules contain the chemicals heparin, histamine and serotonin. These are released in response to foreign proteins on the surfaces of invading bacteria or viruses and are responsible for setting off inflammation and allergic reactions. Magnification: x5400 at 6x7cm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6446365
© CNRI/SCIENCE PHOTO LIBRARY PHOTO LIBRARY
Allergy Heparin Histamine Immune System Immunology Mast Cell Serotonin Mastocyte
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This print showcases the intricate structure of a human mast cell, offering a glimpse into the body's immune system. The false-color transmission electron micrograph reveals the remarkable details of this vital cell found in connective tissue. At its core lies a large circular nucleus, elegantly tinted pink and surrounded by numerous small dark granules that appear in striking red hues. These granules play a crucial role in our defense mechanism as they contain essential chemicals such as heparin, histamine, and serotonin. When foreign proteins from invading bacteria or viruses are detected on their surfaces, these chemicals are released by mast cells triggering inflammation and allergic reactions within our bodies. At an impressive magnification of x5400 and printed at 6x7cm size, this image allows us to appreciate the complexity of these microscopic warriors protecting our well-being. It serves as a reminder of the intricate mechanisms operating within our immune system to maintain health and fight off potential threats. With its focus on anatomy, allergy research, immunology, and cellular composition containing histamine and serotonin among other substances like heparin; this photograph from Science Photo Library provides valuable insights into one of nature's extraordinary creations – the mast cell.
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