War deafness and its prevention, report of the labyrinths of the animals used in testing of preventive measures(Middle ears previously reported) . of fourth and fifth half-turns, 295 ?<. Fig. 13.—Organ of Corti with first degree injury, tangential section. Guinea pig 27, leftcochlea, 1-5-2. junction of fourth and fifth half-turns, 295x. When compared with Figs. 5and 6, which are of radial sections of the organ of Corti, the nature of this lesion is betterunderstood; a few or even single outer hair cells are missing in a place, ijuch lesions arenot artefacts due to the dropping out of bits o


War deafness and its prevention, report of the labyrinths of the animals used in testing of preventive measures(Middle ears previously reported) . of fourth and fifth half-turns, 295 ?<. Fig. 13.—Organ of Corti with first degree injury, tangential section. Guinea pig 27, leftcochlea, 1-5-2. junction of fourth and fifth half-turns, 295x. When compared with Figs. 5and 6, which are of radial sections of the organ of Corti, the nature of this lesion is betterunderstood; a few or even single outer hair cells are missing in a place, ijuch lesions arenot artefacts due to the dropping out of bits of the tissue during or after the sectioning,since the pieces are embedded in celloidin and there is no evidence of such vacancies in thecelloidin, which is itself faintly stained and would therefore show gaps. Fig. 14.—Organ of Corti, with fourth degree injury, tangential section. Guinea pig28, left cochlea. 1-2-7, junction of third and fourth half-turns 295x. Compare with Fig. 10,which is of this type of lesion in radial section. Comparison with Fig. 12 emphasizes howmuch destruction has occurred. 24 oJuc^


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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherstlou, bookyear1919