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bronchitis
(Encyclopedia)bronchitis brŏnkīˈtĭs [key], inflammation of the mucous membrane of the bronchial tubes. It can be caused by viral or bacterial infections or by allergic reactions to irritants such as tobacco smo...codeine
(Encyclopedia)codeine kōˈdēn [key], alkaloid found in opium. It is a narcotic whose effects, though less potent, resemble those of morphine. An effective cough suppressant, it is mainly used in cough medicines. ...crane, in zoology
(Encyclopedia)crane, large wading bird found in marshes in the Northern Hemisphere and in Africa. Although sometimes confused with herons, cranes are more closely related to rails and limpkins. Cranes are known for...Wood Buffalo National Park
(Encyclopedia)Wood Buffalo National Park, 17,577 sq mi (45,525 sq km), in NE Alta., Canada, extending into the Northwest Territories; est. 1922 to protect the only remaining herd of wood bison. It lies between Lake...paregoric
(Encyclopedia)paregoric pârˌəgôrˈĭk [key], alcoholic solution of opium and camphor first prepared in the 18th cent. Because of the constipating effect of opium, paregoric has been used to control diarrhea. It...vaccination
(Encyclopedia)vaccination, means of producing immunity against pathogens, such as viruses and bacteria, by the introduction of an killed or weakened microorganism, a harmless piece of a microorganism, or the like t...ground ivy
(Encyclopedia)ground ivy, trailing perennial herb of the genus Glechoma of the family Labiatae (mint family), closely related to catnip and naturalized from Europe. It forms a dense ground cover and spreads rapidly...coltsfoot
(Encyclopedia)coltsfoot, Eurasian perennial herb (Tussilago farfara) of the family Asteraceae (aster family), now a widespread weed in most northern lands. The scaly flower stalk bears a yellow flower head and down...swan
(Encyclopedia)swan, common name for a large aquatic bird of both hemispheres, related to ducks and geese. It has a long, gracefully curved neck and an extremely long, convoluted trachea which makes possible its far...psittacosis
(Encyclopedia)psittacosis sĭtəkōˈsĭs [key] or parrot fever, infectious disease caused by the species of Chlamydia psittaci and transmitted to people by birds, particularly parrots, parakeets, and lovebirds. In...Browse by Subject
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