lacrimal apparatus n.
The system that secretes and drains tears into the nasal cavity, consisting of the lacrimal gland, the lacrimal lake, the lacrimal duct, the lacrimal sac, and the nasolacrimal duct.
- Lacrimal artery
lacrimal artery n. An artery with its origin in the ophthalmic artery, with distribution to the lacrimal gland, the lateral and superior rectus muscles, the upper eyelid, forehead, and temporal fossa.
noun, Anatomy. 1. a small, thin, membrane bone forming the front part of the inner wall of each orbit. lacrimal bone n. A thin irregularly rectangular plate forming part of the medial wall of the eye socket behind the frontal process of the maxilla.
- Lacrimal canal
lacrimal canal n. See lacrimal duct.
- Lacrimal caruncle
lacrimal caruncle n. A small reddish body at the medial angle of the eye, containing modified sebaceous and sweat glands.