Dacryostenosis - The partial or complete obstruction in the duct system that carries tears away from the eye.
Dacryocystitis - Infection of the tear duct or gland.
Adenoids - Tonsil like glands at the back of the nose.
Lacrimal Duct - Ducts that secrete tears.
Sinuses - System of hollow spaces in the bones of the face for modulation of sound production.