On the nasal surface of the body of the maxilla, in front of the opening of the sinus is a deep<unk> , the<unk>  (or<unk>  sulcus), which is converted into the nasolacrimal canal, by the<unk>  bone and inferior nasal concha; this canal opens into the inferior meatus of the nose and transmits the nasolacrimal duct.
Lacrimal groove
Lacrimal sac
Optic recess
Orbital septum
Optic pit
Ateronon
Corneal button
Central canal