lacrimal apparatus

n.
  1. The system that secretes and drains tears into the nasal cavity, consisting of the lacrimal gland, the lacrimal lake, the lacrimal duct, the lacrimal sac, and the nasolacrimal duct.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.