| PVR | peripheral vascular resistance; perspective volume rendering; poliovirus receptor; postvoiding resid... |
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| RVR | reduced vascular response; renal vascular resistance; repetitive ventricular response; resistance to... |
| SVR | sequential vascular response; systemic vascular resistance |
| TPVR | total peripheral vascular resistance; total pulmonary vascular resistance |
| DF | decapacitation factor; decontamination factor; deferoxamine; deficiency factor; defined flora [anima... |
| vascular leiomyoma | <tumour> A markedly vascular leiomyoma, apparently arising from the smooth muscle of blood vessels. Synonym: angioleiomyoma, angiomyofibroma, angiomyoma. (05 Mar 2000) |
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| vascular meninx | <anatomy> Rarely used term for pia mater. Synonym: meninx vasculosa. (05 Mar 2000) |
| vascular murmur | <cardiology> A murmur originating in a blood vessel. (05 Mar 2000) |
| vascular neoplasms | <oncology> Neoplasms located in vascular tissue or specific veins. They are differentiated from neoplasms, vascular tissue which are neoplasms composed of vascular tissue, such as angiofibroma or haemangioma. (12 Dec 1998) |
| vascular nerve | <anatomy, nerve> A small nerve filament that supplies the wall of a blood vessel. Synonym: nervus vascularis. (05 Mar 2000) |
| vascular occlusion | A sudden blockage of a blood vessel usually with a blood clot. Blockage of a vein results in deep venous thrombosis. Blockage of an artery results in a surgical emergency. (27 Sep 1997) |
| vascular patency | The condition of blood vessels not being blocked or obstructed. (12 Dec 1998) |
| vascular pedicle | The tissues containing arteries and veins of an organ, specifically in chest radiology, the (width of the) mediastinum at the level of the aortic arch and superior vena cava. (05 Mar 2000) |
| vascular plant | A plant which possesses a well-developed system of conducting tissue to transport water, mineral salts and sugars. (09 Oct 1997) |
| vascular plexus | A vascular network formed by frequent anastomoses between the blood vessels (arteries or veins) of a part. Synonym: plexus vasculosus. (05 Mar 2000) |
| vascular polyp | A bulging or protruding angioma of the nasal mucous membrane. Synonym: bleeding polyp. (05 Mar 2000) |
| vascular resistance | An expression of the resistance offered by the systemic arterioles, and to a lesser extent by the capillaries, to the flow of blood. (12 Dec 1998) |
| vascular ring | Anomalous arteries (aortic arches) congenitally encircling the trachea and oesophagus, at times producing pressure symptoms. (05 Mar 2000) |
| vascular sclerosis | <cardiology, disease> Imprecise term for various disorders of arteries, particularly hardening due to fibrosis or calcium deposition, often used as a synonym for atherosclerosis. (17 Oct 1997) |
| vascular sheaths | Fibrous envelopes ensheathing the arteries with their accompanying veins and sometimes nerves as well. Synonym: sheaths of vessels, vaginae vasorum. (05 Mar 2000) |