单词	tear duct
释义	tear duct /ˈtɪədʌkt / noun A passage through which tears pass from the lachrymal glands to the eye or from the eye to the nose.A thin, blunt metal wire is gently passed through the tear duct to open any obstruction.... Some children have nasal polyps, which are cysts or growths of extra tissue in the nose at the end of the tear duct. Viruses and bacteria may be rubbed into the eye or may travel from an infection in the nose up through a tear duct and into the eye.
随便看	penetration aid penetration twin penetrative penetratively penetrativeness penetrator penetrometer pen-feathered pen-fed penfieldite pen-fish pen-form penfriend penfriendship Penfro penful penghulu pengle penglima penguin Penguin award penguin duck penguinery penguin rookery penguinry

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