Trachea lining, SEM C013 / 7123

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Trachea lining, SEM C013 / 7123

Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe). The trachea links the larynx to the lungs. The lining consists of mucus-secreting goblet cells (one seen at centre, orange) and epithelial cells (vertical) that are covered in cilia (hair-like). 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: x3000 when printed at 10 centimetres wide

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

Media ID 9198653

© 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 Section Sectioned

EDITORS COMMENTS
This photo print, titled "Trachea lining" offers a mesmerizing glimpse into the intricate world of our respiratory system. The image, taken using a scanning electron microscope (SEM), showcases a section through the wall of a trachea, also known as the windpipe. The trachea serves as the vital link between our larynx and lungs, allowing for the smooth passage of air during breathing. In this image, we can observe the protective lining that coats its inner surface. This lining consists of mucus-secreting goblet cells and epithelial cells covered in hair-like structures called cilia. These goblet cells play an essential role in maintaining respiratory health by secreting mucus that traps debris like dust particles or bacteria present in inhaled air. Meanwhile, the beating motion of the cilia propels this mucus along with any trapped particles upwards and outwards from our respiratory tract. By doing so, this remarkable defense mechanism helps to keep our lungs and airways clear while preventing potential infections. With a magnification level of x3000 when printed at 10 centimeters wide, this print allows us to appreciate both the beauty and complexity found within our own bodies. Captured by Steve Gschmeissner from Science Photo Library, this stunning visual representation provides valuable insights into biology's protective mechanisms within our tracheal walls.

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