How Does Ear Thermometers Work?

Release time:2020-07-08

Ear thermometers actually measure the temperature of an ear drum that is separating the outer ear canal from the middle ear. The reason why this method is one of the most accurate is ... because the hypothalamic thermostat shares the blood vessels with the eardrum. Moreover, the eardrum is so thin and close to the hypothalamus that it conducts heat easily.

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