Ophthalmology Nasolacrimal duct runs in the nasolacrimal canal. It is made up of all the following bones except A Maxillary bone B Inferior nasal conchae C Lacrimal bone D Ethmoid 💡 Explanation Nasolacrimal duct runs in the nasolacrimal canal. It is made up of all the following bones except ✓ Correct Answer: D. Ethmoid