Temporal bone: A bone on each side of the skull forming part of the side and base of the skull, which includes structures such as the mastoid process and petrous ridge.
Inner ear: The innermost part of the ear, containing essential structures for hearing and balance, nestled within the petrous part of the temporal bone.
Mastoid process: A protruding section of bone located behind the ear, part of the temporal bone that serves as an attachment point for certain muscles of neck