A text-book of the diseases of the ear and adjacent organs . Fig. ofthe Membrane in thesame Patient immedi-ately after Fig. 118—Hemisphericalbulging of the pos-TERIOR Superior Por-tion OF THE MEMBRANA Tympani by a man who contracted acatarrhal discharge in themiddle ear during a coldin the head, with slightinflammatory in two weeks withair-douche. thinnings of the membrana tympani curve outwards in a bubble-like form(v. Troltsch), and not unfrequently the exudation, forced into them from thetympanic cavity, can be observed of a ye


A text-book of the diseases of the ear and adjacent organs . Fig. ofthe Membrane in thesame Patient immedi-ately after Fig. 118—Hemisphericalbulging of the pos-TERIOR Superior Por-tion OF THE MEMBRANA Tympani by a man who contracted acatarrhal discharge in themiddle ear during a coldin the head, with slightinflammatory in two weeks withair-douche. thinnings of the membrana tympani curve outwards in a bubble-like form(v. Troltsch), and not unfrequently the exudation, forced into them from thetympanic cavity, can be observed of a yellowish colour shining through. Ifthe thinned portion of the membrane situated behind the handle of themalleus is curved inwards until it has come into contact with the articula-tion of the stapes and incus and with the promontory (Fig. 116), immediatelyafter inflation, the portions of the inner wall of the tympanic cavity whichhave been visible will disappear, and instead of the previous depression,a grayish-yellow roundish or oval bulla (Fig. 117) will be observed in theposterior portion arching over the handle of the malleus either par


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Keywords: ., bookcentury1800, bookdecade1890, booksubjecteardiseases, bookyear