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12 Topic Pages Found in Biology and starting with the letter V
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Open Vaccination

means of producing immunity against pathogens, such as viruses and bacteria, by the introduction of live, killed, or altered antigens that stimulate

Open Vampire bats
Vampire bats

name for the blood-drinking bats of the family Desmodontidae, found in the New World tropics. Vampire bats feed exclusively on the blood of living

Vascular plant

Fossil evidence indicates that the first vascular plants ( tracheophytes ) were simple, dichotomously branched organisms about 5–10 cm in height. In

Vegetable oils

Vegetable oils are purified fats of plant origin that are either liquid or solid at room temperature. Vegetable oils are used for cooking, frying, and

Open Vesalius, Andreas, 1514-1564
Vesalius, Andreas, 1514-1564

Place : Belgium Subject : biography, biology Belgian physician who was a founder of modern anatomy. Vesalius was born in Brussels on 13 December 1514,


common name for many weak-stemmed, leguminous herbs of the genus Vicia of the family Leguminosae ( pulse family). The vetches are chiefly annuals,


land on which cultivation of the grape —known as viticulture—takes place. As many as 40 varieties of grape, Vitis vinifera, are known. The few that

Open Virchow, Rudolf, 1821-1902
Virchow, Rudolf, 1821-1902

(1821-1902) German pathologist, reformer and man of science who first systematically applied cell theory to the understanding of pathological

Open Virology

study of viruses and their role in disease. Many viruses, such as animal RNA viruses and viruses that infect bacteria, or bacteriophages , have become

Open Vision

physiological sense of sight by which the form, color, size, movements, and distance of objects are perceived. The human eye functions somewhat like a