Lacrimal groove

Sulcus in the jaw that leads to the sinus opening

On the nasal surface of the body of the maxilla, in front of the opening of the sinus is a deep groove, the lacrimal groove, which is converted into the nasolacrimal canal, by the lacrimal bone and inferior nasal concha; this canal opens into the inferior meatus of the nose and transmits the nasolacrimal duct.

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