Pathology. a sore on the skin or a mucous membrane, accompanied by the disintegration of tissue, the formation of pus, etc.
any chronically corrupting or disrupting condition, element, etc.
a disintegration of the surface of the skin or a mucous membrane resulting in an open sore that heals very slowly See also peptic ulcer
a source or element of corruption or evil
c.1400, from Old French ulcere, from Vulgar Latin ulcerem, from Latin ulcus (genitive ulceris) “ulcer,” from PIE *elk-es- “wound” (cf. Greek elkos).
ulcer ul·cer (ŭl’sər)
A lesion of the skin or of a mucous membrane, such as the one lining the stomach or duodenum, that is accompanied by formation of pus and necrosis of surrounding tissue, usually resulting from inflammation or ischemia.
A break in the skin or a mucous membrane, such as the one lining the stomach or duodenum, accompanied by inflammation, pus, and loss of tissue.
An inflamed open sore on the skin or mucous membrane. An ulcer may form in the inner lining of the stomach or duodenum, interfere with digestion, and cause considerable pain.
Note: It used to be thought that stress was the cause of stomach and duodenal ulcers, but we now know that they are caused by bacteria and can be cured by antibiotics.
swift and intense force: the violence of a storm. rough or injurious physical force, action, or treatment: to die by violence. an unjust or unwarranted exertion of force or power, as against rights or laws: to take over a government by violence. a act or proceeding. rough or immoderate vehemence, as of feeling or language: […]
of, relating to, or caused by a . pertaining to or involving the spreading of information and opinions about a product or service from person to person, especially on the Internet or in emails: a clever viral ad. See also . becoming very popular by circulating quickly from person to person, especially through the Internet: […]
- Antiviral protein
antiviral protein antiviral protein n. A human or animal factor that is induced by interferon in virus-infected cells and mediates interferon inhibition of virus replication.
an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA or DNA core, a protein coat, and, in more complex types, a surrounding envelope. Informal. a disease. a corrupting influence on morals or the intellect; […]