passage of a probe through the lacrimal sac into the nasal cavity.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
dacryocystorhinotomy(dăk″rē-ō-sĭs″tō-rī-nŏt′ō-mē) [″ + ″ + ″ + tome, incision]
Surgical probing of the duct leading from a lacrimal sac into the nose.
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