. An atlas of human anatomy for students and physicians. Anatomy. External semicircular canal Canalis semicircularis lateralis Superior border of the petrous bone 'Angulus supers ir pj I Posterior semicircular canal Canalis semicircularis posterior Posterior surface of the petrous bone Facies posterior pyramidis Promontory Promontorium Aqueduct of Fallopius Canalis facialis s. Fossula of the fenestra rotunda, or fossula rotunda Fossula fenestra; cochlea; Fenestra ovalis Fenestra vestibuli Fig. 139.—The Bony Labyrinth, Labyrinthus Osseus, shown in the Left Petrous Portion. Seen obliquely from i
. An atlas of human anatomy for students and physicians. Anatomy. External semicircular canal Canalis semicircularis lateralis Superior border of the petrous bone 'Angulus supers ir pj I Posterior semicircular canal Canalis semicircularis posterior Posterior surface of the petrous bone Facies posterior pyramidis Promontory Promontorium Aqueduct of Fallopius Canalis facialis s. Fossula of the fenestra rotunda, or fossula rotunda Fossula fenestra; cochlea; Fenestra ovalis Fenestra vestibuli Fig. 139.—The Bony Labyrinth, Labyrinthus Osseus, shown in the Left Petrous Portion. Seen obliquely from in Front and Below. The Osseous Semicircular Canals and also the Canal of the Cochlea have been partly opened. The Relations between the Aqueduct of Fallopius and the Osseous Labyrinth are clearly shown. Area cribrosa superior (transmits the filaments of the superior division of the auditory nerve) Area vestibularis superior \/v/ ^ Area cribrosa media (transmits the nerve to the saccule) Area vestibularis inferior "Area of the cochlea1. •Area cochlea:1 External orifice of the aqueduct of the vestibule Apertura externa aquaeductus vestibuli Foramen singulare (for the nerve to the posterior semicircular canal) Foramen singulare. Aqueduct of Fallopius /Canalis facialis *Area of the facial nerve1 *Area n. faciali Transverse crest, or crista falciformis Crista transversa Tractus spiralis foraminulentus (the foramina of which transmit the fila- ments of the cochlear division of the auditory nerve)1 Tractus spiralis foraminosus ' Internal auditory meatus Meatus acusticus internus Internal auditory aperature Porus acusticus internus 1 The helicoid depression of the tractus spiralis foraminulentus corresponds with the base of the cochlea, and at the centre of the helix is the foramen centrale cochleae, the orifice of the central canal of the modiolus. On the significance of this term Area of the Cochlea, see also note M1, p. 956V, in the Appendix to Part VI. ; and on the signifi
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1919
