DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
View into the nostrils of a 10 year old male patient, showing a nasal polyp (at left). A polyp is a benign growth that projects on a stalk from mucous membranes, and may be found in the nose, intestine, larynx or cervix. If it causes obstruction or infection, it can be removed.
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