nasolacrimal duct


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Related to nasolacrimal duct: nasolacrimal duct obstruction
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Noun1.nasolacrimal duct - a duct that carries tears from the lacrimal sac to the nasal cavity
duct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"
References in periodicals archive ?
To improve the treatment of upper nasolacrimal duct obstruction or absence, Jones [sup][2] initialized to apply a surgery named conjunctivodacryocystorhinostomy (CDCR) in 1962.
The microdebrider is then used to remove tissue and enlarge the ostium posteriorly (figure, H) and inferiorly (figure, I), with care taken to avoid injury to the orbit superiorly and the nasolacrimal duct anteriorly.
A Dacryocystitis and obstruction of nasolacrimal duct resulting in abscessation at the medial canthus of eye in a rabbit is reported.
A narrow tube called the nasolacrimal duct runs from the eye to the nose, passing close to the roots of the teeth.
Four of the patients had been initially misdiagnosed with conjunctivitis, one with nasolacrimal duct obstruction (NLDO), and one with chalazion.
Because of the low time of residence of the drug on the ocular surface have it minimally absorbed into the eye (210%), but a systemic effect can be induced by the network of conjunctival vessels and via the nasolacrimal duct through the highly vascularised nasal mucosa and may be swallowed and absorbed via the stomach (16).
For children who present to your office, consider "anything that can go wrong to make the eye red," he continued, including nasolacrimal duct obstruction, adnexal disease, foreign body/trauma, uveitis, neoplasm, structural change, or conjunctivitis.
The most common presentation is that of a cystic mass located in the inferior medial orbit, occasionally associated with signs and symptoms of secondary nasolacrimal duct obstruction [6].
Nasolabial (nasoalveolar) cysts are nonodontogenic soft tissue lesions derived from epithelial remanant of the nasolacrimal duct.
to one eye) such as a blocked nasolacrimal duct (this normal structure drains tears from the eye to the tip of the nose) or a foreign body such as plant material lodged in the eye.
1995) reported good occlusion results when n-butylcyanoacrylate was used on the lacrimal punctum and nasolacrimal duct of humans, respectively; however, no information was provided on local tissue damage.