| venae paraumbilicales | Several small veins arising from cutaneous veins about the umbilicus running along the round ligament of the liver, and terminating as accessory portal veins in the substance of this organ; they constitute a portocaval anastomosis and are subject to varicosity druign portal hypertension; varicose paraumbilical veins form the "caput medussae". Synonym: venae paraumbilicales, Sappey's veins. (05 Mar 2000) |
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| venae parietales | The superficial veins draining the parietal cerebral cortex and emptying into the superior sagittal sinus. Synonym: venae parietales. (05 Mar 2000) |
| venae parotidea | Branches draining part of the parotid gland and emptying into the retromandibular vein. Synonym: venae parotidea, posterior parotid veins. (05 Mar 2000) |
| venae pectorales | Veins draining the pectoral muscles and emptying directly into the subclavian vein. Synonym: venae pectorales. (05 Mar 2000) |
| venae pedunculares | Small tributaries of the basal vein from the cerebral peduncle. Synonym: peduncular veins. (05 Mar 2000) |
| venae perforantes | The veins that accompany the perforating arteries from the profunda femoris artery; they drain blood from the vastus lateralis and hamstring muscles and terminate in the profunda femoris vein. Synonym: venae perforantes. (05 Mar 2000) |
| venae pericardiacae | Several small veins from the pericardium emptying into the brachiocephalic veins or superior vena cava. Synonym: venae pericardiacae. (05 Mar 2000) |
| venae pericardiacophrenicae | The veins accompanying the pericardiacophrenic artery and emptying into the brachiocephalic veins or superior vena cava. Synonym: venae pericardiacophrenicae. (05 Mar 2000) |
| venae peroneae | Venae comsitantes of the peroneal artery; they join the posterior tibial veins to enter the popliteal vein. Synonym: venae peroneae, venae fibulares, fibular veins. (05 Mar 2000) |
| venae pharyngeae | Several veins from the pharyngeal venous plexus emptying into the internal jugular vein. Synonym: venae pharyngeae. (05 Mar 2000) |
| venae phrenicae superiores | Small veins that drain the upper surface of the diaphragm; they are tributaries of the azygos and hemiazygos veins. Synonym: venae phrenicae superiores. (05 Mar 2000) |
| venae pontis | Several veins running transversely on the pons to join the petrosal vein. Synonym: venae pontis, veins of pons. (05 Mar 2000) |
| venae prefrontales | The superficial veins draining the prefrontal cerebral cortex and emptying into the superior sagittal sinus. Synonym: prefrontal veins. (05 Mar 2000) |
| venae profundae clitoridis | The veins that pass from the dorsum of the clitoris to join the vesical plexus. Synonym: venae profundae clitoridis. (05 Mar 2000) |
| venae pudendae externae | These correspond to the arteries of the same name; they empty into the great saphenous vein or directly into the femoral vein, and receive the superficial dorsal vein of the penis (clitoris) and the anterior scrotal (or labial) veins. Synonym: venae pudendae externae. (05 Mar 2000) |