Waldeyer's tonsillar ring
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Waldeyer's tonsillar ring is an anatomical term describing the lymphoid tissue ring located in the pharynx.
It was named after the nineteenth century German anatomist Heinrich Wilhelm Gottfried von Waldeyer-Hartz.[1]
The ring consists of (from superior to inferior):
- Adenoids (also termed pharyngeal tonsils)
- Tubal tonsils
- Palatine tonsils (more commonly termed "the tonsils", less commonly termed "faucial tonsils")
- Lingual tonsils