Category: V
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Velpeau deformity
Deformity seen in Colles fracture, in which the lower fragment is displaced backward.
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Velopharyngeal
Concerning the soft palate and the pharynx.
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Vitelline vein
In the embryo, either of a pair of veins that return blood to the developing heart from the yolk sac. These veins run inside the yolk stalk, alongside the foregut, through the septum transversum, and into the sinus venosus of the heart. The liver eventually forms around the vitelline veins, coopting them into the portal…
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Vegetoanimal
Characteristic of both plants and animals, such as the process of cell respiration in mitochondria.
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Vegetative function
Any of the nonconscious body processes needed to keep the body alive.
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Vegetate
To grow luxuriantly with the production of fleshy or warty outgrowths such as a polyp.
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Vectorcardiography
Analysis of the direction and magnitude of the electrical forces of the heart’s action by a continuous series of loops (vectors) that represent the cardiac cycle.
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Vectorcardiogram
A graphic record of the direction and magnitude of the electrical forces of the heart’s action by means of a continuous series of vector loops. Analysis of the configuration of these loops permits certain statements to be made about the state of health or diseased condition of the heart. At any moment the electrical activity…
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Vection
Transfer of disease agents by a vector from the sick to the well. The transmission of disease-causing microorganisms from the ill to the well.
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Vater’s papilla
The duodenal end of the drainage systems of the pancreatic and common bile ducts. It was formerly called Vater’s ampulla.