Lacrimal fold
Plica lacrimalis
- Latin eponym: Plica Hasneri
- Eponym: Hasner’s valve
Definition
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.
References
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/).