NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,357 terms related to cancer and medicine.
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- Waldeyer’s ring
- listen (VAL-dy-erz …)
- A ring of lymphoid tissue found in the throat. The Waldeyer’s ring is made up of the tonsils, adenoids, and other lymphoid tissue. It contains lymphocytes (a type of immune cell) that help the body fight infection and disease.