lacrimal sac

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Noun1.lacrimal sac - either of the two dilated ends of the lacrimal ducts at the nasal ends of the eyes that fill with tears secreted by the lacrimal glands
lacrimal apparatus - the structures that secrete and drain tears from the eye
vesicle, cyst - a small anatomically normal sac or bladderlike structure (especially one containing fluid)
References in periodicals archive ?
Furthermore, it can occur in the lacrimal sac, conjunctiva, uvea, and eyelids.
Dacryocystitis is inflammation of lacrimal sac and can occur due to trauma and/or infection, leading to blockage of duct system (Slatter, 2003).
3) emphasized that repeated forceful nasolacrimal lavage can push canalicular granules into the lacrimal sac and lead to NLDO, which increases the importance of early and accurate diagnosis.
Bilateral lesions are infrequent (about 10%); other sites are rarely affected (nasopharynx, lacrimal sac, eustachian tube, and middle ear).
Lin, "Orbital epithelial cyst derived from the lacrimal sac," Ophthalmologica, vol.
His mother was instmcted to massage the lacrimal sac at least four times a day.
Dacryocystorhinostomy (DCR) is a surgical procedure which involves the diversion of lacrimal flow into the nasal cavity by creating an opening at the level of lacrimal sac.
1 Basic concept of various procedures is to create a fistula between lacrimal sac and nasal cavity for the drainage of tears.
The production of the tears and removal of excess tears is the function of lacrimal apparatus which consist of lacrimal glands, puncti, canaliculi, lacrimal sac and nasolacrimal duct.
2 It involves external incision over the lacrimal sac and creation of a fistula through the nasal bone directly into the nasal cavity.
Tear fluid is produced superolaterally in the lacrimal gland and drains medially from the corneal surface via the superior and inferior lacrimal puncta into the lacrimal canaliculi, the lacrimal sac, the nasolacrimal duct, and, finally, through a distal orifice, into the inferior nasal meatus.