tear duct and glands — ▪ anatomy also called lachrymal, or lacrimal, duct and glands structures that produce and distribute the watery component of the tear film. Tears consist of a complex and usually clear fluid that is diffused between the eye (eye, human)… … Universalium
gland — gland1 glandless, adj. glandlike, adj. /gland/, n. 1. Anat. a. a cell, group of cells, or organ producing a secretion. b. any of various organs or structures resembling the shape but not the function of true glands. 2. Bot. a secreting organ or… … Universalium
Tear — (t[=e]r), n. [AS. te[ a]r; akin to G. z[ a]rhe, OHG. zahar, OFries. & Icel. t[=a]r, Sw. t[*a]r, Dan. taare, Goth. tagr, OIr. d[=e]r, W. dagr, OW. dacr, L. lacrima, lacruma, for older dacruma, Gr. da kry, da kryon, da kryma. [root]59. Cf.… … The Collaborative International Dictionary of English
Gland, lacrimal — A small almond shaped structure that produces tears; located just above the outer corner of the eye. The lacrimal gland is part of the lacrimal apparatus, the system that forms tears, conveys them through the lacrimal (tear) duct to the eye, and… … Medical dictionary
duct´like´ — duct «duhkt», noun, verb. –n. 1. a tube, pipe, or channel for carrying liquid, air, sand, grain, or other granular solid: »The hot air from our furnace reaches the bedrooms by metal heat ducts. SYNONYM(S): conduit. 2. a single pipe for electric… … Useful english dictionary
tear gland — noun any of the glands in the eyes that secrete tears • Syn: ↑lacrimal gland, ↑lachrymal gland • Hypernyms: ↑exocrine gland, ↑exocrine, ↑duct gland • Part Holonyms: ↑lacrima … Useful english dictionary
Gland of Moll — Glands of Moll, also known as ciliary glands, are modified apocrine sweat glands that are found on the margin of the eyelid. They are next to the base of the eyelashes, and anterior to the Meibomian glands within the distal eyelid margin. These… … Wikipedia
tear — {{Roman}}I.{{/Roman}} noun from the eyes ADJECTIVE ▪ angry, bitter, emotional ▪ There were angry tears in Lily s eyes. ▪ happy ▪ burning, f … Collocations dictionary
Nasolacrimal duct — The lacrimal apparatus. Right side. Outline of bones of face, showing position o … Wikipedia
Head and neck anatomy — focuses on the structures of the head and neck of the human body, including the brain, bones, muscles, blood vessels, nerves, glands, nose, mouth, teeth, tongue, and throat. It is an area frequently studied in depth by surgeons, dentists, dental… … Wikipedia
