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Trachea lining, SEM C013 / 7127
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Trachea lining, SEM C013 / 7127
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of a trachea (wind pipe), showing the cilia (hair-like) and goblet cells (pink). The trachea links the larynx to the lungs. The lining consists of mucus-secreting goblet cells and epithelial cells that are covered in hair-like cilia. Mucus traps debris, such as dust particles or bacteria, in the inhaled air, while the beating of the cilia moves the mucus and particles upwards out of the respiratory tract. This helps to keep the lungs and airways clear and prevent infection. Magnification: x2650 when printed at 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9198659
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Cilia Ciliated Cilium Colored Epithelial Epithelium Gland Glands Glandular Goblet Cell Lining Mucosal Mucosal Layer Mucous Membrane Protection Protective Respiratory Tract Secretion Secretory Subjects System Trachea Tract Wall Wind Pipe Cells
EDITORS COMMENTS
This print showcases the intricate and vital lining of a trachea, providing a glimpse into the fascinating world of human anatomy. The scanning electron micrograph (SEM) reveals the colorful beauty of this biological wonder, with its cilia and goblet cells taking center stage. The trachea, commonly known as the windpipe, serves as a crucial link between our larynx and lungs. Its lining plays an essential role in protecting our respiratory system from harm. Comprised of mucus-secreting goblet cells and epithelial cells adorned with hair-like cilia, this protective layer acts as a formidable defense mechanism. As we inhale air laden with potential debris such as dust particles or bacteria, mucus secreted by the goblet cells traps these unwanted intruders. Simultaneously, the coordinated beating motion of the cilia propels both mucus and trapped particles upwards out of our respiratory tract. By diligently performing their duties, these remarkable structures help to maintain clear airways while preventing infections that could compromise lung health. This microscopic marvel reminds us of nature's ingenious design within our bodies. Photographed at an astonishing magnification level of x2650 when printed at 10 centimeters wide, this image allows us to appreciate the intricacy and complexity hidden within even seemingly ordinary parts of our anatomy.
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