nasolacrimal duct

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Related to nasolacrimal: nasolacrimal canal, iridoplegia

nasolacrimal duct

[¦nā·zō′lak·rə·məl ′dəkt]
(anatomy)
The membranous duct lodged within the nasolacrimal canal; it gives passage to the tears from the lacrimal sac to the inferior meatus of the nose.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Nasolacrimal duct in women had shorter length and wider duct entrance, Women <40 years had longer fossa for lacrimal gland a wider lower third fossa for lacrimal gland.
Seiff, "Silicone intubation for the treatment of epiphora in adults with presumed functional nasolacrimal duct obstruction," Ophthalmic Plastic and Reconstructive Surgery, vol.
It was reported that the coronal approach was complex and time-consuming for unilateral cases without craniomaxillofacial fractures.[sup][10],[11] To treat the upper nasolacrimal duct obstruction or absence, CDCR with a tear drainage tube placement is an appropriate surgical method.
art.) Lateral lamella 86.4 10.0 3.6 0.0 olfactory fossa Cribriform plate 94.4 27.0 21.8 1.8 Posterior ethmoidal 67.9 15.8 10.0 6.4 artery canal Optical nerve 93.3 4.3 2.4 0.0 Vidian nerve 94.2 2.1 3.0 0.6 Maxillary nerve 95.4 2.4 2.1 0.0 Carotid artery 83.0 12.8 3.5 0.6 Nasolacrimal duct 98.5 1.5 0.0 0.0 Frontal sinus 98.2 1.2 0.6 0.0 Low dosage (N = 165) Excellent Well Poor Not p value evaluable Maxillary sinus 80.7 15.3 4.0 0.0 0.791 (lateral wall) Uncinate process 67.4 11.1 14.8 6.7 0.022 * Inferior turbinate 87.0 7.3 4.3 1.3 0.917 (os turbinale) Infraorbital nerve 59.3 29.3 11.3 0.0 0.682 canal Lamina papyracea 93.7 5.0 1.3 0.0 0.119 (infundibulum) Anterior ethmoidal 91.7 7.7 0.7 0.0 0.107 artery canal Lamina papyracea 97.0 2.3 0.7 0.0 0.248 (ant.
Dacryocystorhinostomy is indicated when the nasolacrimal duct is partially or totally obstructed and the canaliculi are patent.
Roehrl, "A nonodontogenic oral cyst related to nasolacrimal duct epithelium," Archives of Pathology and Laboratory Medicine, vol.
Nasolacrimal occlusion, eyelid closure, or blotting the excess drops away during administration and punctual plugging should be discussed with pregnant women on topical anti-glaucoma medications.
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).
(2) The tears drain into the conjunctival sac on the bulbar surface of the lower lid and then exit via the inferior and superior nasolacrimal puncta at the medial canthus.
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.
Nasolacrimal duct obstruction--An obstruction of the nasolacrimal duct.
(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.