Healthy and constricted trachea, artwork

Healthy and constricted trachea, artwork

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Credit: HENNING DALHOFF / SCIENCE PHOTO LIBRARY

Caption: Healthy and constricted trachea. Computer artwork of a cross-section through a healthy (left) and a constricted (right) trachea (windpipe). The healthy airway has a wide lumen (core) through which breathing can occur normally. The inflamed constricted airway has a narrowed lumen following contraction of the outer muscle layer (red) and swelling of the mucous lining, leading to congestion and impaired breathing.

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Keywords: abnormal, airway, airways, allergic, allergy, artwork, asthma, asthmatic, comparison, condition, congested, congestion, constricted, constriction, cut out, disease, disorder, healthcare, healthy, illustration, impaired breathing, inflamed, inflammation, medical, medicine, narrow, narrowed, normal, swollen, trachea, two, unhealthy, white background, windpipe

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