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Trachea lining, SEM C013 / 7125
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Trachea lining, SEM C013 / 7125
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of a trachea (wind pipe), showing the cilia (hair-like) and goblet cells (orange). 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 9198657
© 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 lining of a trachea, captured using a scanning electron microscope (SEM). The image reveals the remarkable structure and function of this vital respiratory organ. The trachea, also known as the windpipe, serves as a crucial conduit between the larynx and lungs. The photograph vividly displays two key components: cilia and goblet cells. The hair-like cilia are visible throughout the lining, while goblet cells appear in an eye-catching orange hue. These specialized cells play essential roles in maintaining respiratory health. The mucus-secreting goblet cells work alongside epithelial cells to create a protective layer along the tracheal lining. This mucosal layer acts as a defense mechanism against harmful particles present in inhaled air, such as dust or bacteria. As debris gets trapped within the mucus, it is subsequently moved upwards by the beating motion of cilia. By constantly propelling mucus and particles out of the respiratory tract, this process helps keep our lungs and airways clear from potential infections. It highlights how our body's biological systems work harmoniously to protect us from harm. With its vibrant colors and detailed magnification at x2650 when printed at 10 centimeters wide, this print offers viewers an awe-inspiring glimpse into one aspect of human anatomy that often goes unnoticed but plays a critical role in safeguarding our respiratory well-being.
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