A text-book of the diseases of the ear for students and practitioners . Fig. 36.—System of Cavities BETWEEN THE MeMBRANA Tympani and the Neck ofthe Fig. 37. — Prussaks Space, Sectionthrough the Tympanic Membrane,Malleus, Upper and Outer TympanicWall of a Decalcified Preparation. Is, Ligament, mall, super; fa, Ligament,mall. lat. ; s, Membrana Shrapnelli ; o,Prussaks space ; r, System of cavities be-tween the body of the malleus and incusand the external tympanic wall ; t, Tendonof the muse. tens. tymp. From a prepara-tion in the authors collection. branous framework, also observed by
A text-book of the diseases of the ear for students and practitioners . Fig. 36.—System of Cavities BETWEEN THE MeMBRANA Tympani and the Neck ofthe Fig. 37. — Prussaks Space, Sectionthrough the Tympanic Membrane,Malleus, Upper and Outer TympanicWall of a Decalcified Preparation. Is, Ligament, mall, super; fa, Ligament,mall. lat. ; s, Membrana Shrapnelli ; o,Prussaks space ; r, System of cavities be-tween the body of the malleus and incusand the external tympanic wall ; t, Tendonof the muse. tens. tymp. From a prepara-tion in the authors collection. branous framework, also observed by Schmiegelow, is formed by a number ofinconstant folds and bridges of mucous membrane, which run from the externalsurface of the malleo-incudal body to the opposite tympanic wall. The mostconstant of these is the external malleo-incudal fold, which often divides theexternal attic into three overlying spaces. Prussaks space communicates onthe one hand with the upper part of the attic, and on the other with the posteriortympanic pouch ; it opens posteriorly into the tympanum by a small, round,or slit-like orifice which is hidden by the incus. Experime
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectear, booksubjecteardi
