Dacryocyst: The lacrimal sac; tear sac. The dilated (widened) upper end of the nasolacrimal duct, the passageway that permits tears to drain into the nasal cavity.
Noun 1. dacryocyst - 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 ...
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dacryocyst /dac·ryo·cyst/ (-sist″) the lacrimal sac. dac·ry·o·cyst (d k r--s st) n. See lacrimal sac. dacryocyst [dak′re·Åsist′] Etymology: Gk, dakryon ...
Medical Dictionary dac·ryo·cyst definition Pronunciation: /ˈdak-rē-ə-ˌsist/ Function: n : LACRIMAL SAC
Definition of DACRYOCYST: lacrimal sac