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The auditory ossicles of the right ear, seen from the front. Labels: M, malleus; J, incus; S, stapes; Mcp, head of the malleus; Mc, neck of the malleus; Ml, long process; Mm, handle; Jc, boy; Jb, short, and Jl, long process of incus; Jpl, os orbiculare; Scp, head of stapes.

The Auditory Ossicles

The auditory ossicles of the right ear, seen from the front. Labels: M, malleus; J, incus; S, stapes;…

Bones of the ear, including the hammer (m), the anvil (i), and the stirrup (s).

Bones of the Ear

Bones of the ear, including the hammer (m), the anvil (i), and the stirrup (s).

Bones of the ear together with the ear drum.

Bones of the Ear

Bones of the ear together with the ear drum.

A, the malleus, or mallet, with its long handle running down, to touch with its delicate extremity the membrane of the drum. B, is the incus, or anvil, nicely fitted to the mallet, and showing C, the orbicular bone placed between its termination, and D, the stirrup. The line a,b, represents the center of motion of the malleus, and c,d, the center of motion of the incus. Now this chain of bones acts on the principle of a long level, as a small motion at one end of a long pole serve to move it through a wide space at the other.

Bones of the Ear

A, the malleus, or mallet, with its long handle running down, to touch with its delicate extremity the…

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…