| PVOD | pulmonary vascular obstructive disease; pulmonary veno-occlusive disease |
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| PVRI | pulmonary vascular resistance index |
| RVF | renal vascular failure; Rift Valley fever; right ventricular failure; right visual field |
| SNIVT | Society of Non-Invasive Vascular Technology |
| SVP | selective vagotomy and pyloroplasty; small volume parenteral [infusion]; standing venous pressure; s... |
| systemic vascular resistance | An index of arteriolar compliance or constriction throughout the body; equal to the blood pressure divided by the cardiac output. (05 Mar 2000) |
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| encephalotrigeminal vascular syndrome | <syndrome> Angiomatosis of the brain accompanied by nevi in the trigeminal area. See: Sturge-Weber syndrome. (05 Mar 2000) |
| endothelium, vascular | Single pavement layer of cells which line the luminal surface of the entire vascular system and regulate the transport of macromolecules and blood components from interstitium to lumen; this function has been most intensively studied in the blood capillaries. (12 Dec 1998) |
| Zinn's vascular circle | <anatomy, nerve> A network of branches of the short ciliary arteries on the sclera around the point of entrance of the optic nerve. Synonym: circulus vasculosus nervi optici, circulus arteriosus halleri, circulus zinnii, Haller's circle, Zinn's corona, Zinn's vascular circle. (05 Mar 2000) |