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Tears are a clear liquid secreted by the lacrimal glands (tear gland) found in the eyes of all land mammals. [1] Tears are made up of water, electrolytes, proteins, lipids, and mucins that form layers on the surface of eyes. [2] The different types of tears—basal, reflex, and emotional—vary significantly in composition. [2]
A tear in a piece of paper, fabric, or some other similar object may be the result of the intentional effort with one's bare hands, or be accidental. Unlike a cut , which is generally on a straight or patterned line controlled by a tool such as scissors , a tear is generally uneven and, for the most part, unplanned.
Tear, tears or tearing may refer to: Tearing, the act of breaking apart a material by force; Tears, a clear liquid secreted by the tear gland in the eyes of land mammals;
Tear gas in use in France 2007 Exploded tear gas canister in the air in Greece. Tear gas, also known as a lachrymatory agent or lachrymator (from Latin lacrima 'tear'), sometimes colloquially known as "mace" after the early commercial self-defense spray, is a chemical weapon that stimulates the nerves of the lacrimal gland in the eye to produce tears.
The lacrimal apparatus is the physiological system containing the orbital structures for tear production and drainage. [1]It consists of: The lacrimal gland, which secretes the tears, and its excretory ducts, which convey the fluid to the surface of the eye; it is a j-shaped serous gland located in lacrimal fossa.
What is tear trough filler? When injecting tear trough filler, a dermatologist or plastic surgeon will place hyaluronic acid filler into the under-eye area to give it a fuller, more awake look ...
The compound 2-chlorobenzalmalononitrile (also called o-chlorobenzylidene malononitrile; chemical formula: C 10 H 5 ClN 2), a cyanocarbon, is the defining component of the lachrymatory agent commonly referred to as CS gas, a tear gas which is used as a riot control agent, and is banned for use in warfare due to the 1925 Geneva Protocol.
Houston Texans receiver Tank Dell reportedly tore multiple ligaments and sustained meniscus damage in his injured left knee in addition to damage that's been previously noted.