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Globetrotter's Pocket Doc - the only English international medical communication book for travelers to foreign countries
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D
E
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I
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M
N
O
P
Q
R
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T
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V
W
X
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V
- Vagotomy:
- An operation to cut the vagus nerve. This causes the stomach to make less acid. The severing of the vagus nerve also induces abnormal emptying of the stomach.
- Vagus Nerve:
- The nerve in the stomach that controls the making of stomach acid. It is also intimately involved in the emptying of the stomach.
- Valve:
- A fold in the lining of an organ that prevents fluid from flowing backward.
- Varices:
- Stretched veins such as those that form in the esophagus from cirrhosis. See esophageal varices.
- Villi:
- The tiny, fingerlike projections on the surface of the small intestine. Villi help absorb nutrients.
- Viral Hepatitis:
- Hepatitis caused by a virus. Five different viruses (A, B, C, D, and E) most commonly cause this form of hepatitis. Other rare viruses may also cause hepatitis. A new virus of the DNA family called TT virus has been identified.
- Volvulus:
- A twisting of the stomach or large intestine. May be caused by the stomach being in the wrong position, a foreign substance, or abnormal joining of one part of the stomach or intestine to another. Volvulus can lead to blockage, perforation, peritonitis, and poor blood flow.
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