The pathological importance of the denser layer of lymphatic tissue which has been considered by various observers since Henle's time, and which Waldeyer has shown to exist, normally in an unbroken circle from the base of the tongue around the arcus glosso-palatinus to the tonsil of the fauces, from it to the tube lip and thence to the posterior upper pharyngeal wall on either side, was called into general notice some thirteen years ago by Meyer in his celebrated pa per on "Adenoid Vegetations." Since Meyer's communication, repeated investigation of the structure and dimensions of this "lymphatic ring" by Lenschker, Waldeyer, Gerlach, Schwartz, Trautman and others, has demonstrated that besides at the fauces, principally in two well defined regions, is this tissue massed in a similar manner to that between the pillars. In the vault of the pharnyx it exists no longer as a denser layer, but as
BOYLAN JE. TWO CASES OF HYPERTROPHY OF THE ADENOID TISSUE OF THE BASE OF THE TONGUE, ONE OF THEM PRODUCING "SERIOUS SYMPTOMS."Read in the Section of Laryngology and Otology at the Forty-first Annual Meeting of the American Medical Association, at Nashville, Tenn., May, 1890.. JAMA. 1890;XV(2):46–48. doi:10.1001/jama.1890.02410280006001b
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