(Encyclopedia) norovirus or Norwalk virus, highly contagious viral disease caused by infection with an RNA virus of the genus Norovirus. The virus causes acute gastroenteritis, usually one to two…
(Encyclopedia) nimbusnimbusnĭmˈbəs [key], in art, the luminous disk or circle or other indication of light around the head of a sacred personage. It was used in Buddhist and other Asian art and by…
(Encyclopedia) lupuslupusl&oomacr;ˈpəs [key], noninfectious chronic disease in which antibodies in an individual's immune system attack the body's own substances. In lupus, known medically as…
(Encyclopedia) bark cloth, primitive fabric made in tropical and subtropical countries from the soft inner bark of certain trees. It has been made and used in parts of Africa and India, the Malay…
(Encyclopedia) damages, money award that the judgment of a court requires the defendant in a suit to pay to the plaintiff as compensation for the loss or injury inflicted. Damages are the form of…
The major federal, religious, traditional, and informal holidays celebrated in the United States
Choose a Holiday: New Year's DayEpiphanyMartin Luther King's BirthdayMawild al-NabiGroundhog…
(Encyclopedia) dysenterydysenterydĭsˈəntĕrˌē [key], inflammation of the intestine characterized by the frequent passage of feces, usually with blood and mucus. The two most common causes of dysentery…
U.S. Department of State Background Note Index: Geography People History Government Political Conditions Defense Foreign Relations U.S.-Icelandic Relations GEOGRAPHYIceland is a volcanic…
(Encyclopedia) amenorrheaamenorrheaāmĕnˌərēˈa, əmĕnˌ– [key], cessation of menstruation. Primary amenorrhea is a delay in or a failure to start menstruation; secondary amenorrhea is an unexpected stop…
(Encyclopedia) fistulafistulafĭsˈch&oobreve;lə [key], abnormal, usually ulcerous channellike formation between two internal organs or between an internal organ and the skin. It may follow a…
