Waldeyer's tonsillar ring

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

Waldeyer's tonsillar ring (also known as the pharyngeal lymphoid ring, Waldeyer's lymphatic ring, Waldeyer's or Waldeyer 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).