A) incus, malleus and stapes
B) malleus, incus and stapes
C) malleus, stapes and incus
D) stapes, malleus and incus
Correct Answer: B
Solution :
From outer to inside the sequence of three bones present in the middle ear a of mammals is- (i) Malleus-This is the largest, hammer-shaped ear ossicle. Its outside, narrower end about against tympanic membrane, while the inner, broader end is connected to incus. (ii) Incus-This is shaped like an anvil. Its outer end is broader and connected to malleus. The inner end is narrower and connected to stapes. (iii) Stapes-This is shaped like stirrup with a large, triangular fossa. Its outer end is connected to incus.
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