Hasner's

Description

The nasolacrimal duct ends by a somewhat expanded orifice, provided with an imperfect valve, the lacrimal fold (Hasneri), formed by a fold of the mucous membrane.


This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).

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