CLINICA CLAROS / SCIENCE PHOTO LIBRARY CLINICA CLAROS / SCIENCE PHOTO LIBRARY
Salivary stones. Close-up of a patient's mouth, showing salivary stones (calculi, lower centre) in the submandibular salivary glands. Salivary stones (sialolithiasis) are calcified masses that form within a salivary gland. They can cause pain and swelling of the affected gland and are usually removed.
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