The structures composing this ring are:
- palatine tonsils (also called the faucial tonsils)
- adenoid tonsils (nasopharyngeal tonsils)
- the lateral bands on the lateral walls of the oropharynx
- lingual tonsils at the base of the tongue
History and etymology
It is named after Heinrich Wilhelm Gottfried Waldeyer (1836-1921); although from 1916 until his death he became Wilhelm Gottfried von Waldeyer-Hartz following an elevation to a Prussian peerage; Hartz was his mother's maiden name. He was a celebrated German anatomist, physiologist and pathologist .