The canal containing the nasolacrimal duct is called the nasolacrimal canal.The seven bones which articulate to form the orbit.Outline of bones of face, showing position of air sinuses. The canal containing the nasolacrimal duct is called the nasolacrimal canal. It is formed by indentations in the inferior nasal conchae, maxilla and lacrimal bone. The canal drains into the nasal cavity through the anterior portion of the inferior meatus, which is between the inferior concha and the floor of the nasal cavity.