The<unk>  carries tears from the lacrimal sac into the nasal cavity. Excess tears flow through<unk>  which opens in the nose. This is the reason the nose starts to run when a person is crying, or why you can sometimes taste eye drops.
Like the lacrimal sac, the<unk>  is lined by stratified columnar epithelium containing mucus-secreting goblet cells, and is surrounded by connective tissue.
Obstruction of the<unk>  leads to the excess overflow of tears called epiphora. Persons with dry eye conditions can be fitted with punctal plugs that seal the<unk> s to limit the amount of fluid drainage and retain moisture.
The canal containing the<unk>  is called the<unk>  canal.
Nasolacrimal duct
Lacrimal canaliculi
Ear canal
Lacrimal bone
Parotid duct
Outer ear
Pilonidal sinus
Cauliflower ear