Relating to both the skull and the middle ear cavity or eardrum.
From cranio- (skull) + tympanic (relating to the tympanum or eardrum, from Greek tympanon 'drum'). A modern medical term combining two anatomical regions that share important structural relationships.
The craniotympanic nerve is tiny but crucial—it connects your brain to the muscles of your ear, which is why certain skull fractures can affect your hearing even when the ear itself seems fine.
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