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stroke

(Encyclopedia)stroke, destruction of brain tissue as a result of intracerebral hemorrhage or infarction caused by thrombosis (clotting) or embolus (obstruction in a blood vessel caused by clotted blood or other for...

Baixada Fluminense

(Encyclopedia)Baixada Fluminense bīshäˈdə flo͞omēnēNnˈsə [key], coastal lowland region, Rio de Janeiro state, SE Brazil. It extends c.250 mi (400 km) from Sepetiba Bay to the Paraíba River between the Ser...

sciatica

(Encyclopedia)sciatica sīătˈĭkə [key], severe pain in the leg along the sciatic nerve and its branches. It may be caused by injury or pressure to the base of the nerve in the lower back, or by metabolic, toxic...

hemolysis

(Encyclopedia)hemolysis hĭmŏlˈĭsĭs [key], destruction of red blood cells in the bloodstream. Although new red blood cells, or erythrocytes, are continuously created and old ones destroyed, an excessive rate of...

paraplegia

(Encyclopedia)paraplegia pârˌəplēˈjēə [key], paralysis of the lower part of the body, commonly affecting both legs and often internal organs below the waist. When both legs and arms are affected, the conditi...

septicemia

(Encyclopedia)septicemia sĕptĭsēˈmēə [key], invasion of the bloodstream by virulent bacteria that multiply and discharge their toxic products. The disorder, which is serious and sometimes fatal, is commonly k...

surgery

(Encyclopedia)surgery, branch of medicine concerned with the diagnosis and treatment of injuries and the excision and repair of pathological conditions by means of operative procedures (see also anesthesia; medicin...

Fracastoro, Girolamo

(Encyclopedia)Fracastoro, Girolamo jērôˈlämō fräkästôˈrō [key], 1483–1553, Italian physician and poet. He was born in Verona, where he practiced after studying at Padua. He studied epidemic diseases and...

ataxia

(Encyclopedia)ataxia ətăkˈsēə [key], lack of coordination of the voluntary muscles resulting in irregular movements of the body. Ataxia can be brought on by an injury, infection, or degenerative disease of the...

Laveran, Charles Louis Alphonse

(Encyclopedia)Laveran, Charles Louis Alphonse shärl lwē älfôNsˈ lävəräNˈ [key], 1845–1922, French physician. While an army surgeon in Algiers he discovered (1880) the parasite that causes malaria and wro...