lacrimal duct


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Related to lacrimal duct: Lacrimal Duct Obstruction

lacrimal duct

n
(Anatomy) a short tube in the inner corner of the eyelid through which tears drain into the nose. Nontechnical name: tear duct
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lacrimal duct - any of several small ducts that carry tears from the lacrimal glandslacrimal duct - any of several small ducts that carry tears from the lacrimal glands
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"
lacrimal apparatus - the structures that secrete and drain tears from the eye
References in periodicals archive ?
Mucosal symptoms included oral ulceration in 5 patients, nasal obstruction in 12 patients, and lacrimal duct obstruction in 2 patients (in 1 patient, cartilage involvement of the sternoclavicular joint near the primary CL lesion was also noted).
Dacroadenitis was diagnosed in 2 (0.7%) cases while chronic Osteomyelitis, Abscess, inflamed lacrimal duct cyst, canaliculitis, Pemphigus Vulgaris and Actinomycosis were seen in 1 (0.4%) cases each.
The lacrimal sac is an enlargement of the upper portion of the lacrimal duct, and the lacrimal duct is the passageway that drains excess tears into the nose (Ehrlich, et al., 2017).
Since the diameter of the NLD bone entrance is shorter in men and lower lacrimal duct obstruction is more frequent in women our results may suggests the diameter of bone entrance of the NLD in general population does not appear to be an influential factor in the pathogenesis of lower lacrimal duct obstruction in Mexican population.
He is five years old now, has totally 18 abnormally developed sharp, sparse teeth (Figure-2), watering in the eyes due to lacrimal duct obstruction, and inability speak due to bilateral sensorineural hearing loss for which cochlear implantation was recommended.
Primary ophthalmic diagnoses of the participants were obtained from medical records and further divided into 13 subgroups by an ophthalmologist as follows: cornea disease, lens disorders, glaucoma, uveitis, ocular trauma, strabismus, vitreous/retina disease, optic nerve disease, orbital disease (except for ocular tumor), lacrimal duct disease, oculoplastics disease, ocular tumor, and others.
A Many babies have a small obstruction to the lacrimal duct through which tears drain into the nose.
Signs and symptoms associated with nasal tooth include nasal obstruction, nasal discharge, abscess, ulceration, recurrent epistaxis, rhinitis caseosa, oronasal fistula, chronic sinusitis, facial pain, headaches, external nasal deviation, speech problems and occasionally no symptoms.1 Aspergillosis,8 lacrimal duct obstruction, rhinosinusitis, nasal septal perforation,7 oronasal communication and osteomyelitis are varying degrees of morbidity associated with a nasal tooth.
Eight patients had injuries to ductal/neurovascular structures including the facial nerve (n=5), lacrimal duct (n=3) and superficial temporal artery (n=2).
If an atropine-based regimen such as ours is used, the systemic effect of ocular atropine can be avoided or minimised, by instilling it only once daily, using a microdropper for infants and digital pressure over the lacrimal duct for five minutes after instillation of the atropine to reduce systemic absorption.
When cervical dilation is difficult, a series of small Hagar or lacrimal duct dilators may be helpful (FIGURE, page 43).