The middle ear and internal ear of mammals are enclosed in which of the following bones __________________.

Tympanic bulla and periotic bone (Temporal bone)

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Ethmoid

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Tympanic bulla

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Mastoid

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Solution

The correct option is B Tympanic bulla and periotic bone (Temporal bone)
The auditory bulla (pl. bullae) is a hollow bony structure on the ventral, posterior portion of the skull that encloses parts of the middle and inner ear. In most species, it is formed by the tympanic part of the temporal bone.

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