lacrimal sac

(redirected from tear sac)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to tear sac: tear duct, lacrimal duct

lacrimal sac

[′lak·rə·məl ‚sak]
(anatomy)
The dilation at the upper end of the nasolacrimal duct within the medial canthus of the eye. Also known as dacryocyst.
References in periodicals archive ?
This can lead to red, swollen tear sacs - the medical term is dacryocystitis, or lacrimal sac infection.