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external ear

the part of the ear consisting of the pinna, the external auditory meatus, and the outer surface of the eardrum (see tympanic membrane). Also called outer ear.

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Psychology term of the day

July 27th 2024

vital functions

vital functions

functions of the body (e.g., respiration, blood circulation of the blood) that are necessary to sustain life. Many vital functions are controlled by the brainstem.