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A cross-section of a turn of the cochlea of the ear(diagrammatic).

Cochlea of the Ear

A cross-section of a turn of the cochlea of the ear(diagrammatic).

"Diagram of the Middle and Internal Ear." — Blaisedell, 1904

Ear

"Diagram of the Middle and Internal Ear." — Blaisedell, 1904

Semidiagrammatic section through the right ear. Labels: M, concha; G, external auditory meatus; T, tympanic membrane; P, middle ear; o, oval foramen; r, round foramen; R, pharyngeal opening of Eustachian tube; V, vestibule; B, a semicircular canal; S, the cochlea; Vt, scala vestibuli; Pt, scala tympani; A, auditory nerve.

Section of the Ear

Semidiagrammatic section through the right ear. Labels: M, concha; G, external auditory meatus; T, tympanic…

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,…

Bones situated at the sides and base of the skull. Each consists of five parts: the squama, the petrous, mastoid, and tympanic parts, and the styloid process.

Temporal Bone

Bones situated at the sides and base of the skull. Each consists of five parts: the squama, the petrous,…

The tympanic membrane, also known as the ear drum.

The Tympanic Membrane

The tympanic membrane, also known as the ear drum.

The tympanic ossicles, which are 3 small bones that form a chain across the tympanic cavity, connecting the membrane with the fenestra vestibuli. The 3 bones are known s the Malleus, the Incus, and the Stapes.

The Tympanic Ossicles

The tympanic ossicles, which are 3 small bones that form a chain across the tympanic cavity, connecting…