ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Inflamed salivary gland. X-ray of the jaw of a 37-year-old patient with a painful swelling in the region of the parotid salivary gland. Opacification (whitening of the X-ray) suggests incomplete obstruction of the main salivary ducts associated with localised swelling of the salivary gland (sialadenitis).
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