Waldeyer's tonsillar ring

Waldeyer's ring
Regional lymphatics. Waldeyer ring labeled at center top.
Details
SystemLymphatic system
Identifiers
Latinanulus lymphoideus pharyngis
Anatomical terminology

Waldeyer's tonsillar ring (pharyngeal lymphoid ring, Waldeyer's lymphatic ring, or tonsillar ring) is a ringed arrangement of lymphoid organs in the pharynx. Waldeyer's ring surrounds the naso- and oropharynx, with some of its tonsillar tissue located above and some below the soft palate (and to the back of the mouth cavity).