Columbia Encyclopedia

Search results

287 results found

trichinosis

(Encyclopedia)trichinosis trĭkˌĭnīˈəsĭs [key], parasitic disease caused by the roundworm Trichinella spiralis. It follows the eating of raw or inadequately cooked meat, especially pork. The larvae are releas...

toxin

(Encyclopedia)toxin, poison produced by living organisms. Toxins are classified as either exotoxins or endotoxins. Exotoxins are a diverse group of soluble proteins released into the surrounding tissue by living ba...

rotavirus

(Encyclopedia)rotavirus, double-stranded RNA virus, genus Rotavirus, with a wheellike appearance that can cause severe watery diarrhea and vomiting, sometimes leading to severe dehydration and death. The virus is t...

cytomegalovirus

(Encyclopedia)cytomegalovirus sīˌtəmĕgˌəlōvīˈrəs [key], member of the herpesvirus family that can cause serious complications in persons with weakened immune systems and infants. A common virus, it is est...

Chagas' disease

(Encyclopedia)Chagas' disease, disease of South and Central America caused by the parasite Trypanosoma cruzi. It usually affects children and young adults and is transmitted by the feces of infected insects, typica...

McCullers, Carson

(Encyclopedia)McCullers, Carson, 1917–67, American novelist, b. Columbus, Ga. as Lula Carson Smith, studied at Columbia. The central theme of her novels is the spiritual isolation that underlies the human conditi...

leishmaniasis

(Encyclopedia)leishmaniasis lēshˌmənīˈəsĭs [key], any of a group of tropical diseases caused by parasitic protozoans of the genus Leishmania. The parasites live in dogs, foxes, rodents, and humans; they are ...

Kawasaki disease

(Encyclopedia)Kawasaki disease or Kawasaki syndrome, acute illness characterized by inflammation of the blood vessels that primarily affects young children; it is more common in boys and children of Asian descent. ...

weed

(Encyclopedia)weed, common term for any wild plant, particularly an undesired plant, growing in cultivated ground, where it competes with crop plants for soil nutrients and water. In their natural habitat, wildflow...

Ransom, John Crowe

(Encyclopedia)Ransom, John Crowe, 1888–1974, American poet and critic, b. Pulaski, Tenn., grad. Vanderbilt Univ. and studied at Oxford as a Rhodes scholar. He is considered one of the great stylists of 20th-centu...

Browse by Subject