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pesticide

(Encyclopedia)pesticide, biological, physical, or chemical agent used to kill plants or animals that are harmful to people; in practice, the term pesticide is often applied only to chemical agents. Various pesticid...

Piero della Francesca

(Encyclopedia)Piero della Francesca pyĕˈrō dĕlˈlä fränchāsˈkä [key], c.1420–1492, major Italian Renaissance painter, b. Borgo San Sepolcro (modern Sansepolcro). All his masterpieces were created in town...

plague

(Encyclopedia)plague, any contagious, malignant, epidemic disease, in particular the bubonic plague and the black plague (or Black Death), both forms of the same infection. These acute febrile diseases are caused b...

pneumonia

(Encyclopedia)pneumonia no͝omōnˈyə [key], acute infection of one or both lungs that can be caused by a bacterium, usually Streptococcus pneumoniae (also called pneumococcus; see streptococcus), or by a virus, f...

yellow fever

(Encyclopedia)yellow fever, acute infectious disease endemic in tropical Africa and many areas of South and Central America. Yellow fever is caused by a virus transmitted by the bite of the female Aedes aegypti mos...

Yugoslavia

(Encyclopedia)CE5 CE5 Yugoslavia yo͞oˌgōsläˈvēə [key], Serbo-Croatian Jugoslavija, former country of SE Europe, in the Balkan Peninsula. Belgrade was the capital and by far the largest city. Yugoslavs (...

Weissman, Drew

(Encyclopedia)Weissman, Drew 1959–, b. Lexington, Mass., American Immunologist, studied at Brandeis University (B.A., M.A., 1981) and Boston University (M.D, Ph.D.,...

carbuncle

(Encyclopedia)carbuncle, acute inflammatory nodule of the skin caused by bacterial invasion into the hair follicles or sebaceous gland ducts. It is actually a boil, but one that has more than one focus of infection...

bird

(Encyclopedia)CE5 General anatomy of a bird bird, warm-blooded, egg-laying, vertebrate animal having its body covered with feathers and its forelimbs modified into wings, which are used by most birds for flight...

blackleg

(Encyclopedia)blackleg or black quarter, acute infectious disease of cattle, less often of sheep, caused by an organism of the genus Clostridium. It is characterized by inflammation of muscles with swelling and pai...