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Definition of Dacryocystorhinostomy

Dacryocystorhinostomy: The surgical creation of a passage between the lacrimal sac (tear sac) and the nasal cavity to permit the drainage of tears. Dacryocystorhinostomy may be done to remedy an obstructed nasolacrimal duct.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=25270
Last Editorial Review: 6/14/2012

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