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Colón, city, Panama

(Encyclopedia)Colón, city, Panama, at the Caribbean end of the Panama Canal. Colón, the second largest city in Panama, was surrounded by, but not part of, the forme...

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...

rash

(Encyclopedia)rash, nonspecific term for an eruption of the skin. It may result from skin allergy, skin irritation, or skin disease, or it may be a symptom of a systemic disease like measles, smallpox, or scarlet f...

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...

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...

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...

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...

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...

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...

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 ...