Trachea lining, SEM C016 / 9756
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Trachea lining, SEM C016 / 9756
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of the trachea (wind pipe). The trachea links the larynx to the lungs. The epithelial lining consists of cells that have hair like cilia (green) on their surface and mucus-secreting glands. Mucus secreted by the glands 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
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9340643
© SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY
Cilia Cilium Epithelial Epithelium Lining Protection Protective Respiratory Secretion Trachea Tract Wind Pipe Cells
EDITORS COMMENTS
This photo print, titled "Trachea lining" offers a mesmerizing glimpse into the intricate world of our respiratory system. Taken using a scanning electron microscope (SEM), it showcases the colorful and protective lining of the trachea, also known as the windpipe. The image reveals an astonishing level of detail within this vital anatomical structure. The trachea acts as a crucial link between our larynx and lungs, allowing us to breathe effortlessly. Its epithelial lining consists of specialized cells adorned with hair-like cilia in vibrant green hues. These cilia play a pivotal role in maintaining our respiratory health. As we inhale, mucus-secreting glands within the tracheal lining produce sticky mucus that traps harmful debris like dust particles or bacteria present in the air. Simultaneously, the beating motion of these delicate cilia propels both mucus and trapped particles upwards and outwards from our respiratory tract. This remarkable mechanism ensures that our lungs and airways remain clear from potential infections or irritants. It serves as nature's defense system against harmful substances we encounter daily. Photographer Susumu Nishinaga skillfully captured this biological marvel through his lens, showcasing its beauty while highlighting its critical function for human well-being. This stunning image not only provides insight into biology but also reminds us of the incredible complexity found within even seemingly mundane parts of our bodies.
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