Quain's elements of anatomy . Fig. 384.—Right bony labyrinth, vtewed from the outer side (afterSommerring). ^ The specimen here represented is prej)ared by separating piecemeal the looser sub-stance of the petrous bone from the dense walls which immediately enclose the laby-rinth. 1, the vestibule ; 2, fenestra ovalis ; 3, superior semicircular canal ; 4, horizontalor external canal; 5, ijcsterior canal; * * , ampullae of the semicircular canals ;6, first turn of the cochlea; 7, second turn ; 8, apex ; 9, fenestra rotunda. The smallerfigure in outline below shows the natural size. Fig. 385.—Vi
Quain's elements of anatomy . Fig. 384.—Right bony labyrinth, vtewed from the outer side (afterSommerring). ^ The specimen here represented is prej)ared by separating piecemeal the looser sub-stance of the petrous bone from the dense walls which immediately enclose the laby-rinth. 1, the vestibule ; 2, fenestra ovalis ; 3, superior semicircular canal ; 4, horizontalor external canal; 5, ijcsterior canal; * * , ampullae of the semicircular canals ;6, first turn of the cochlea; 7, second turn ; 8, apex ; 9, fenestra rotunda. The smallerfigure in outline below shows the natural size. Fig. 385.—View of the interior of the left labyrinth (from Sommen-ing). ^J The bony wall of the labyrinth is removed superiorly and externally. 1, foveahemi-elliptica ; 2, fovea hemispherica ; 3, common opening of the superior and posteriorsemicircular canals ; 4, opening of the aqueduct of the vestibule ; 5, the superior, 6, theposterior, and 7, the external semicircular canals ; 8, sjjiral tube of the cochlea (scalatympani) ; 9, op
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Keywords: ., boo, bookcentury1800, booksubjectanatomy, booksubjecthumananatomy
