ANIMATED HEALTHCARE LTD / SCIENCE PHOTO LIBRARY ANIMATED HEALTHCARE LTD / SCIENCE PHOTO LIBRARY
Viral throat infection. Computer artwork of several tracheae (windpipes), seen from the outside, with viruses (spiky balls, not to scale). The common cold is a viral infection that attacks the throat and other areas of the respiratory tract. Symptoms include fluid discharge from inflamed mucous membranes. There is no cure, but the symptoms, such as a sore throat, can be treated. The white structures seen here are the bands of cartilage that prevent the windpipe from collapsing.
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