<prompt> Direction of Nasolacrimal duct is:Downward,backward and mediallyDownward,backward and laterallyDownward,forward and mediallyDownward,forward and laterally  <response>: Nasolacrimal duct is q membranous passage which begins at the lower end of the lacrimal sac. It runs downward,backward and laterally and opens in the inferior meatus of the nose. A fold of mucous membrane called the valve of Hasner forms an imperfect value at the lower end of the duct. Ref: Dhingra 6e,135. 