Casts of the bony labyrinth of the ear. Labels: A, left labyrinth see from the outer side; B, right labyrinth from the inner side; C, left labyrinth from above; Fc, round foramen; Fv, oval foramen; h, horizontal semicircular canal; ha, its ampulla; Vaa, ampulla of anterior vertical semicircular canal; Vpa, ampulla of posterior vertical semicircular canal; Vc, conjoined portion of the two vertical canals.

The Bony Labyrinth of the Ear

Casts of the bony labyrinth of the ear. Labels: A, left labyrinth see from the outer side; B, right…

View, very much enlarged, of the external phase of the bony labyrinth of the left side, open, exposing the vestibule and its contents, etc.

Labyrinth and Vestibule of the Ear

View, very much enlarged, of the external phase of the bony labyrinth of the left side, open, exposing…

The membranous labyrinth of the ear. It is situated within the osseous labyrinth and consists of two membranous sacs, the Utricle (1) and the Saccule (2), together with the membranous semicircular canals (6) and the membranous cochlea (5).

The Membranous Labyrinth

The membranous labyrinth of the ear. It is situated within the osseous labyrinth and consists of two…