Waldeyer's tonsillar ring

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Waldeyer's tonsillar ring is an anatomical term describing the lymphoid tissue ring located in the nasopharynx.

It was named after the nineteenth centuary 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")
• Lingual tonsils

[edit] References

1. ^ synd/2061 at Who Named It

v • d • e  Lymphatic system

Bone marrow | Thymus (Hassall's corpuscles) | Spleen (White pulp, Periarteriolar lymphoid sheaths, Marginal zone, Red pulp) | Tonsils (Palatine, Lingual, Adenoid) Mucosa-associated lymphoid tissue: Gut-associated lymphoid tissue | Peyer's patches Lymph nodes: Subcapsular sinus | Paracortex | head and neck (Cervical, Virchow's) | iliac (External, Common, Internal) | lumbar/paraaortic (Lateral aortic, Preaortic, Inferior mesenteric, Retroaortic) | inguinal (Deep, Superficial) | Axillary Lymph vessels: Thoracic duct | Right lymphatic duct | Cisterna chyli  | Lumbar trunk | Intestinal trunk Lymph | Lymphocytes | High endothelial venules | Immune system