| RVO | Regional Veterinary Officer; relaxed vaginal outlet; right ventricular outflow |
|---|---|
| SAVD | spontaneous assisted vaginal delivery |
| SVD | single vessel disease; singular value decomposition; small vessel disease; spontaneous vaginal deliv... |
| SVE | slow volume encephalography; soluble viral extract; sterile vaginal examination |
| TVH | total vaginal hysterectomy; turkey virus hepatitis |
| venous ligament | A thin fibrous cord, lying in the fissure of the ligamentum venosum, the remains of the ductus venosus of the foetus. Synonym: Arantius' ligament, ligamentum ductus venosi, venous ligament. (05 Mar 2000) |
|---|---|
| venous murmur | A murmur heard over a vein. (05 Mar 2000) |
| venous pressure | The blood pressure in a vein. It is usually measured to assess the filling pressure to the ventricle. (12 Dec 1998) |
| venous pulse | A pulsation occurring in the veins, especially the internal jugular vein. Synonym: pulsus venosus. (05 Mar 2000) |
| venous return | The blood returning to the heart via the great veins and coronary sinus. (05 Mar 2000) |
| venous segments of liver | Each of the four territories of the liver separately drained by the hepatic veins. Synonym: hepatic venous segments. (05 Mar 2000) |
| venous segments of the kidney | Anatomical segment's of the kidney drained by tributaries of the renal vein; not a true segmental distribution, since cross communication exists between the various tributaries within the kidney. (05 Mar 2000) |
| venous sinuses | Endothelium-lined venous channels in the dura mater. Synonym: sinus durae matris, cerebral sinuses, cranial sinuses, sinuses of dura mater, venous sinuses. (05 Mar 2000) |
| venous sinus of sclera | sinus venosus sclerae |
| venous star | A small, red nodule formed by a dilated vein in the skin; caused by increased venous pressure. (05 Mar 2000) |
| venous stasis | Congestion and slowing of circulation in veins due to blockage by either obstruction or high pressure in the venous system, usually best seen in the feet and legs. (05 Mar 2000) |
| venous-stasis retinopathy | A uniocular retinopathy associated with occlusion of the central retinal vein; a nonischemic central retinal vein occlusion. (05 Mar 2000) |
| venous valve | A fold of the lining layer of a vein to prevent a reflux of blood. Synonym: valvula venosa. (05 Mar 2000) |
| vertebral venous system | Any of four interconnected venous networks surrounding the vertebral column; anterior external vertebral venous plexus, the small system around the vertebral bodies; posterior external vertebral venous plexus, the extensive system around the vertebral processes; anterior internal vertebral venous plexus, the system running the length of the vertebral canal anterior to the dura; posterior internal vertebral venous plexus, the system running the length of the vertebral canal posterior to the dura; the latter two constitute the epidural venous plexus. Synonym: plexus venosus vertebralis, Batson's plexus, vertebral venous plexus. (05 Mar 2000) |
| catheterization, central venous | Placement of an intravenous catheter in the subclavian, jugular, or other central vein for central venous pressure determination, chemotherapy, haemodialysis, or hyperalimentation. (12 Dec 1998) |