From outer to inside, the sequence of three bones present, in the middle ear of mammals, is
A
Malleus, stapes, and incus
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B
Stapes, malleus, and incus
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C
Malleus, incus, and stapes
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D
Incus, malleus, and stapes
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Solution
The correct option is C Malleus, incus, and stapes The middle ear cavity in mammals characteristically contains a chain of three little bones called ear ossicles extending between the tympanic membrane and the fenestra ovalis. Starting from the outside, these are called malleus (hammer), incus (anvil) and stapes (stirrup), so named because of their characteristic shapes.