either of two small ducts extending from the inner corner of each eyelid to the lacrimal sac.
a short tube in the inner corner of the eyelid through which tears drain into the nose Nontechnical name tear duct
lacrimal duct n.
A curved canal beginning at the margin of each eyelid near the medial commissure, and emptying with the duct from the other eye into the lacrimal sac. Also called lacrimal canal.
- Lacrimal fold
lacrimal fold n. A fold of mucous membrane guarding the lower opening of the nasolacrimal duct.
noun, Anatomy. 1. either of two tear-secreting glands situated in the upper outer angle of the orbit. noun 1. the compound gland that secretes tears and lubricates the surface of the eye and the conjunctiva of the eyelid lacrimal gland n. An almond-shaped gland that secretes tears into ducts that empty onto the surface of […]
- Lacrimal lake
lacrimal lake n. The small cistern-like area of the conjunctiva at the medial angle of the eye, in which the tears collect after bathing the front surface of the eyeball and the conjunctival sac.
- Lacrimal nerve
lacrimal nerve n. A branch of the ophthalmic nerve, supplying the upper eyelid, conjunctiva, and lacrimal gland.