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Human tears. 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]
Homographs are words with the same spelling but having more than one meaning. Homographs may be pronounced the same (), or they may be pronounced differently (heteronyms, also known as heterophones).
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;
Crying is the dropping of tears (or welling of tears in the eyes) in response to an emotional state or physical pain. Emotions that can lead to crying include sadness , anger , joy , and fear . Crying can also be caused by relief from a period of stress or anxiety , or as an empathetic response.
The following pronunciation respelling key is used in some Wikipedia articles to respell the pronunciations of English words. It does not use special symbols or diacritics apart from the schwa (ə), which is used for the first sound in the word "about". See documentation for {} for examples and instructions on using the template.
Occasionally she would call home, but would burst into tears when she’d start to describe what she was doing. Then she stopped trying. A young officer in her platoon, Ben Colgan, was fatally wounded in a bomb blast. She was devastated. “I couldn’t help Lt. Colgan,” she told the military newspaper Stars and Stripes in 2004.
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.
Excess tears flow through the nasolacrimal duct which drains into the inferior nasal meatus. This is the reason the nose starts to run when a person is crying or has watery eyes from an allergy, and why one can sometimes taste eye drops. This is for the same reason when applying some eye drops it is often advised to close the nasolacrimal duct ...