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sneeze

(Encyclopedia)sneeze, involuntary violent expiration of air through the nose and mouth. It results from stimulation of the nervous system in the nose, causing sudden contraction of the muscles of expiration. The st...

hantavirus

(Encyclopedia)hantavirus, any of a genus (Hantavirus) of single-stranded RNA viruses that are carried by rodents and transmitted to humans when they inhale vapors from contaminated rodent urine, saliva, or feces. T...

quinine

(Encyclopedia)quinine kwīˈnīnˌ, kwĭnēnˈ [key], white crystalline alkaloid with a bitter taste. Before the development of more effective synthetic drugs such as quinacrine, chloroquine, and primaquine, quinin...

schistosomiasis

(Encyclopedia)schistosomiasis bĭlˌhärzīˈəsĭs [key], or snail fever, parasitic disease caused by blood flukes, trematode worms of the genus Schistosoma. Three species are human parasites: S. mansoni, S. japon...

Chinchón, Luis Jerónimo Fernández de Cabrera Bobadilla Cerda y Mendoza, conde de

(Encyclopedia)Chinchón, Luis Jerónimo Fernández de Cabrera Bobadilla Cerda y Mendoza, conde de lo͞oēsˈ hārōˈnēmō fārnänˈdās dā käbrāˈrä bōbäᵺēˈyä sārˈdä ē mĕndōˈsä kōnˈdā dā c...

erysipelas

(Encyclopedia)erysipelas ĕrəsĭpˈələs [key], acute infection of the skin characterized by a sharply demarcated, shiny red swelling, accompanied by high fever and a feeling of general illness. The causative age...

Ashmun, Jehudi

(Encyclopedia)Ashmun, Jehudi, 1794–1828, U.S. agent to Liberia, b. Champlain, N.Y. After entering the Congregationalist ministry and spending a few years in teaching and editorial work, he was sent by the America...

Ross, Sir Ronald

(Encyclopedia)Ross, Sir Ronald, 1857–1932, English physician, b. Almora, India. He studied malaria in India as a member (1881–99) of the Indian Medical Service, was professor of tropical medicine at University ...

hawthorn

(Encyclopedia)hawthorn, any species of the genus Crataegus of the family Rosaceae (rose family), shrubs and trees widely distributed in north temperate climates and especially common in E North America. They usuall...

primrose

(Encyclopedia)primrose, common name for the genus Primula of the Primulaceae, a family of low perennial herbs with species found on all continents, most frequently in north temperate regions. Among the better-known...