A smooth more deeply concave depression on the lacrimal bone which forms the medial wall of the orbital cavity in which the lacrimal sac that drains into the nasolacrimal duct is located is referred to as the lacrimal fossa (or fossa for the lacrimal sac).
This page contains content from the copyrighted Wikipedia article "Fossa for lacrimal sac"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.