The Ear And Its Diseases Being Practical Contributions to the Study of Otology
The book The Ear And Its Diseases Being Practical Contributions to the Study of Otology was written by author Samuel Sexton Here you can read free online of The Ear And Its Diseases Being Practical Contributions to the Study of Otology book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Ear And Its Diseases Being Practical Contributions to the Study of Otology a good or bad book?
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306 AURAL POLYPI. afford an outlet to secretions in the attic. When the products of in- flammation of the mastoid cellules find an outlet into the posterior wall of the external auditory canal, or through its cortex behind the auricle, the sinus at either of these vents, as a rule, becomes filled with granulation tissue; the former soon sends forth fungosities which may take on polypoid action, since the humidity and warmth of the canal are favorable to such growth; the latter from exposure doe...s not take on such action, though, when freely poulticed, redun- dant masses of granulation tissue form there. Polypi do not grow from the dermic layer of the drum-head, but perforations either of the membrana flaccida or membrana vibrans are, towards the decline of acute purulent inflammation, often more or less occluded by the swollen mucous membrane which may sooner or later become the seat of polypoid growth. In such cases the polypi developing exteriorly to the drum-head may become large enough to occlude the canal, though attached to the mucous mem- brane by a small pedicle whose size is limited by that of the perfora- tion through which it passes.
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