The waldeyer's ring, a collection of lymphatic tissues; Location and components that form it

Описание к видео The waldeyer's ring, a collection of lymphatic tissues; Location and components that form it

Waldeyer's ring is a ring of lymphoid tissue located in the nasopharynx and oropharynx at the entrance to the aerodigestive tract.

Gross anatomy
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

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