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Article
December 1948

SUGGESTED NEW ANATOMIC CLASSIFICATION OF THE TYMPANIC SPACES AND EUSTACHIAN TUBE: Draft of a New Clinical Classification on This Basis

Author Affiliations

TEL-AVIV, ISRAEL

Arch Otolaryngol. 1948;48(6):681-687. doi:10.1001/archotol.1948.00690040695006
Abstract

THE FIRST detailed description of the human cartilaginousmembranaceous pharyngotympanic canal was given by B. Eustachius1 as early as 1563. Not long before, G. Fallopius2 had produced his classic description of the "tympanic cavity." One hundred and fifty years later (1717), A. M. Valsalva3 presented the description of a bony passage connecting the pharyngotympanic canal of Eustachius with the tympanic cavity of Fallopius, which had not been mentioned by either of the two previous anatomists. He called it the "bony tube" and deemed it fit to weld it and the cartilaginous canal into one anatomic entity which he, paradoxically, named the eustachian tube.

It is superfluous to recall that there was no microscope in general use and that comparative anatomy, embryology, physiology and—even less—anything in the way of clinical otolaryngology in a modern sense had not come into being by that time. There was naturally no conflict deriving from this or

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