A practical treatise on the diseases of the ear including the anatomy of the organ . The Bight Temporal Bone, without the Betrous Portion, in connection with the OssiculaAuditus of a newly bom Child, seen from within. After Biidinger.* 4, is above the incus, ichose short process is directed nearly horizontally backward. 5. Thelong arm of the incus, which extends freely into the canity of the tympanum. 6. Themalleus, in articulation with the incus. 7. Long process of the malleus, which runsunder the crista tympanica, in a furrow, to the flssura petroso-tympaniea. 8. Thestapes, in articulation w
A practical treatise on the diseases of the ear including the anatomy of the organ . The Bight Temporal Bone, without the Betrous Portion, in connection with the OssiculaAuditus of a newly bom Child, seen from within. After Biidinger.* 4, is above the incus, ichose short process is directed nearly horizontally backward. 5. Thelong arm of the incus, which extends freely into the canity of the tympanum. 6. Themalleus, in articulation with the incus. 7. Long process of the malleus, which runsunder the crista tympanica, in a furrow, to the flssura petroso-tympaniea. 8. Thestapes, in articulation with the incus. The peculiar manner in which the membrana tympani isplaced in the canal causes it to form an acute angle with the. Left Temporal Bone of the same Subject as preceding Figure.* Atlas des Menscliliclien Gehororganes. Miinclien, 1867. ANATOMY OF MEMBRANA TYMPANI. 183 lower and anterior wall of the auditory canal, but an obtuseone with the upper and posterior wall. The general shape of the membrane is elliptical; but theregularity of the ellipse is broken in upon by the incomplete-ness of the bony ring surrounding the membrane. In theupper part of this bony ring an oyal section is wanting : thisspace is known as the segment of Bivini.
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Keywords: ., bookcentury1800, bookdeca, booksubjectear, booksubjecteardiseases
