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(VEE-nus...)
| | A procedure in which a sample of blood is taken from a certain vein and checked for specific substances released by nearby organs and tissues. A higher than normal amount of a substance can be a sign of disease in the organ or tissue that makes it. |
| Previous Definitions: | Velban, Velcade, venipuncture, venlafaxine, venography | | Next Definitions: | ventilator, ventricle, Vepesid, Versed, vertebral column |
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