The nasolacrimal duct opens in:
(a) Sphenoethmoidal recess
(b) Superior meatus
(c) Middle meatus
(d) Inferior meatus.
The nasolacrimal duct (or the tear duct) runs from the eye down into the nose. The function of the nasolacrimal duct is the drain excess tears. There is a enlarged portion of the duct at its start near the eye called the lacrimal sac. It is here that excess tears collect before running through the nasolacrimal duct into the nose.
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fromChapter 11 / Lesson 3
This lesson will cover a lot of terms associated with the upper respiratory system, mainly the nose, nas/o, nasal septum, cilia, mucous membranes, mucus, olfactory receptors, and tonsils. Then, test yourself with our quiz questions.