lacrimal papilla n.
A slight projection from the margin of each eyelid near the medial commissure, in the center of which is the opening of the lacrimal duct.
- Lacrimal punctum
lacrimal punctum n. The minute circular opening of the lacrimal duct on the margin of each eyelid near the medial commissure.
noun, Anatomy. 1. the dilated upper portion of the nasolacrimal duct that receives tears from the lacrimal ducts. lacrimal sac n. The upper portion of the nasolacrimal duct into which the two lacrimal ducts empty. Also called dacryocyst, tear sac.
- Lacrimal vein
lacrimal vein n. A vein that drains the lacrimal gland, and empties into the superior ophthalmic vein.
[lak-ruh-mey-shuh n] /ˌlæk rəˈmeɪ ʃən/ noun 1. the secretion of tears, especially in abnormal abundance. /ˌlækrɪˈmeɪʃən/ noun 1. the secretion of tears lacrimation lac·ri·ma·tion or lach·ry·ma·tion (lāk’rə-mā’shən) n. The secretion of tears, especially in excess.