Nasolacrimal Duct Anatomy

The nasolacrimal duct also called the tear duct carries tears from the lacrimal sac of the eye into the nasal cavity. The tear duct is also called the nasolacrimal duct.

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The duct begins in the eye socket between the maxillary and lacrimal bones from where it passes downwards and backwards.

Nasolacrimal duct anatomy. Ductus nasolacrimalis is a channel that is directly continuous with the lacrimal sac and opens into the nasal cavity forming the final part of the tear drainage system of the lacrimal apparatus. A number of eye problems and symptoms can involve the tear duct. The tear duct is part of the tear drainage system.

Learn more about tears and crying. Nasolacrimal system anatomy anatomy of the nasolacrimal system the nasolacrimal drainage system serves as a conduit for tear flow from the external eye to the nasal cavity. Nasolacrimal duct the nasolacrimal duct also called tear duct latin.

It consists of the puncta canaliculi lacrimal sac and nasolacrimal. Nasolacrimal duct ground anatomy tears produced by the lacrimal gland accessory lacrimal glands of krause wolfring and zeis and meibomian glands track medially along the eyelid margins and collect at the lacrimal lake at the inner canthus. It drains tears through the nasal bone and into the back of the nose.

The upper orbital part located in the fossa the depression of the medial orbital wall of the lacrimal sac and the lower part located in the bony canal of the nasolacrimal duct. The nasolacrimal duct nld is the terminal part of the nasolacrimal apparatus. Nasolacrimal duct the nasolacrimal drainage system serves as a conduit for tear flow from the external eye to the nasal cavity.

It divides into 2 parts. The nasolacrimal duct nld the nasolacrimal duct is the integral extension of the lacrimal sac. Gross anatomy the nasolacrimal duct is the inferior continuation of the lacrimal sac and is 17 mm in length in total.

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