Relating to or affecting both the ears and the nose, or describing structures that connect or involve both of these organs.
From Latin 'auris' (ear) + 'nasus' (nose) + '-al' (relating to), combining two anatomical terms to describe something affecting both the ear and nasal systems.
The aurinasal system is beautifully connected in your body—your ears and sinuses are linked by tubes and passages, which is why severe ear infections sometimes cause nasal congestion!
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