tear sac


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Related to tear sac: tear duct, lacrimal duct
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tear 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 ?
In late 18th century modern techniques of draining the tear sac into the nose were introduced, whether it is by the external or endonasal approach.
DCR consists of removing the intervening bone between the tear sac and the nasal cavity, so that the lacrimal sac and the nasal mucosa lie directly next to each other.
It is usually caused by blockage of the duct that carries tears from the tear sac to the nose.