A practical treatise on the diseases of the ear including the anatomy of the organ . The Left Vestibule, with the Semicircular Canals, from an Adult, seen from within.—Riidinger. 1. The horizontal semicircular canal. 2. Theupper semicircular caned. 3. The poste-rior semicircular canal. 4. A brisi ispassed through the aqueductus vestibidi,and passes into the opening of two canals,and appears on the upper wall of the ves-tibule. 5. The mouths of the osseous am-pullae of upper* and horizontal semicircu-lar canals. 6. The opening of the lowerampulla of the posterior semicircularcanal, below the nu
A practical treatise on the diseases of the ear including the anatomy of the organ . The Left Vestibule, with the Semicircular Canals, from an Adult, seen from within.—Riidinger. 1. The horizontal semicircular canal. 2. Theupper semicircular caned. 3. The poste-rior semicircular canal. 4. A brisi ispassed through the aqueductus vestibidi,and passes into the opening of two canals,and appears on the upper wall of the ves-tibule. 5. The mouths of the osseous am-pullae of upper* and horizontal semicircu-lar canals. 6. The opening of the lowerampulla of the posterior semicircularcanal, below the numbers 6 and 1. lower opening, in which the bristle isseen, represents the opening Of the com-• two semicircular The Vestibule.—After Riidinger. 1. TJie osseous lamina spiralis of the < beginning beloiv and posteriorly on thewall of the vestibule. 2. The scala tym-pani and the fenestra rotunda. 3. Thescala vestibuli. 4. Fenestra oralis. posterior inferior wall of the lowerampulla, with the inferior macula cri-brosa, zvhich serves as a passage for thefibres of the vestibular nerve to the lowerampulla. 6. Fovea rotunda, or recessushemisphavricus. In its centre are a num-ber of fine openings, the macula cribrosamedia, through these the fibres of themiddle branches of the vestibular nervepass to the round saccule, which is theblind vestibular end of the scala vesti-bidi. 1. The upper portion of the recessushemillipticus in which is the upper ma-cula cribrosa. 8. The lower portion ofthe recessus hemillipticus, which passeswithout any distinct dividing line intothe semicircular canals. The maculae cribrosse on the inner wall of the vestibule areto be seen with the naked eye on the newly bo
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Keywords: ., bookcentury1800, bookdeca, booksubjectear, booksubjecteardiseases
