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Possible definitions for ubcep

Dubcek
Czech politician. In World War II he took part in the underground resistance to Nazi occupation. After the war he rose in Communist Party ranks to become a member of the Presidium of the party's Central Committee (1962). In 1968 he forced Anton\u00ed n Novotn\u00fd (1904-1975) to resign and replaced him as head of the Communist Party. He introduced liberal reforms in the brief period known as the Prague Spring, which ended when the Soviet Union invaded Czechoslovakia in August 1968. Demoted to lesser posts, he was expelled from the party in 1970. He returned to prominence in 1989 after the Communist Party had given up its monopoly on power, and was elected speaker of the Czech parliament.


Uccello
Italian painter. Though apprenticed to the sculptor L. Ghiberti, he is not known to have worked in sculpture, and at 18 he was admitted to the painters' guild in Florence. The Deluge, one of his frescoes in the Chiostro Verde of Santa Maria Novella, demonstrates his intense study of perspective. He became so firmly identified with perspective that J. Ruskin thought he had invented it. His three panels depicting the Battle of San Romano, like all the extant works of his mature years, combine the decorative late Gothic style with the new heroic style of the early Renaissance.


ulcer
Concave sore on the skin or lining of an organ, with well-defined, sometimes raised edges. Erosion of surface tissue may extend to deeper layers. The main symptom is pain. The term most often refers to peptic ulcer but also includes skin ulcer, common on legs with varicose veins and the feet of people with diabetes mellitus (when nerve damage has reduced sensation), and decubitus ulcer (bedsore or pressure sore). Other causes include infection, trauma (e.g., burn, frostbite), improper nutrition (e.g., thiamine deficiency), and cancer (likely in ulcers hard to the touch). Skin ulcers over a month old should be checked for cancer, especially after middle age.

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