MICROANATOMY

Detailed explanation-1: -So from the options, only Pelvic bone Option (c) is not the one present in the middle ear.

Detailed explanation-2: -The middle ear is an air-filled cavity that holds a chain of three bones: the hammer (malleus), the anvil (incus) and the stirrup (stapes).

Detailed explanation-3: -The middle ear or middle ear cavity, also known as tympanic cavity or tympanum (plural: tympanums/tympana), is an air-filled chamber in the petrous part of the temporal bone. It is separated from the external ear by the tympanic membrane, and from the inner ear by the medial wall of the tympanic cavity.

Detailed explanation-4: -Outer Ear. The outer ear is made up of three parts; Middle Ear. The middle ear is made up of the eardrum and three small bones (ossicles) that send the movement of the eardrum to the inner ear. Inner Ear. The inner ear is made up of: The ear (auditory) Nerve.