ClipArt ETC
Semi-diagrammatic section through the right ear. Labels: M, concha; G, the external auditory canal; T, tympanic, or drum-membrane (ear drum); P, tympanum, or middle ear; o, oval window; r, round window. Extending from T to o is seen the chain of the tympanic bones; R, Eustachian tube; V, B, S, bony labyrinth; V, vestibule; B, semicircular canal; S, cochlea; b, l, v, membranous labyrinth in semi-circular canal and in vestibule. A, auditory nerve dividing into branches for vestibule, semicircular canal, cochlea.

Ear and Auditory Canal

Semi-diagrammatic section through the right ear. Labels: M, concha; G, the external auditory canal;…

Horizontal section through the right external acoustic canal viewed from above.

Auditory Apparatus of the Ear

Horizontal section through the right external acoustic canal viewed from above.

Vertical section through the right external acoustic canal, viewed from in front.

Auditory Canal of the Ear

Vertical section through the right external acoustic canal, viewed from in front.

Cross-section of the external and internal ear. <em>a, b, and c</em>: External ear. <em>d</em>: Entrance to the tube of the ear <em>(f)</em>. <em>g</em>: Drum of the ear. <em>h</em>: Cavity beyond the drum where the chain of bones is, the bones being left out that the arrangement of the apparatus may be more clear to you. <em>k</em>: Tube which comes from the back part of the throat to this cavity. If you shut your mouth and close the nostrils with your fingers, and then force the air strongly from your chest into the mouth, you can feel the air pass through this tube into the ear where the little bones are. <em>l</em>: is the vestibule of the labyrinth. <em>m</em>: Semi-circular canals. <em>n</em>: Cochlea. <em>o</em>: Trunk of the nerve of hearing as it goes to branch out in the labyrinth. <em>e</em>: Bone in which the labyrinth is enclosed.

A Cross-Section of the Ear

Cross-section of the external and internal ear. a, b, and c: External ear. d: Entrance…

Semi-diagrammatic section through the right ear. Labels: M, concha; G, external auditory meatus; T, tympanic or drum membrane; P, middle ear; o, oval foramen; r, round foramen. Extending from T to o is seen the chain of tympanic bones. R, Eustachian tube. V,B,S, bony labyrinth: V, vestibule; B, semicircular canal; S, cochlea. b,l,l', membranous semicircular canal and vestibule. A, auditory nerve dividing into branches for vestibule, semicircular canal, and cochlea.

Section Through the Right Ear

Semi-diagrammatic section through the right ear. Labels: M, concha; G, external auditory meatus; T,…

Structure of the ear.

Structure of the Ear

Structure of the ear.