| vena mesenterica superior | <anatomy, vein> Begins at the ileum in the right iliac fossa, ascends in the root of the mesentery, and unites behind the pancreas with the splenic vein to form the hepatic portal vein. Synonym: vena mesenterica superior. (05 Mar 2000) |
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| vena nasofrontalis | <anatomy, vein> The vein located in the anterior medial part of the orbit that connects the superior ophthalmic vein with the angular vein. Synonym: vena nasofrontalis. (05 Mar 2000) |
| vena obliqua atrii sinistri | A small vein on the posterior wall of the left atrium which merges with the great cardiac vein to form the coronary sinus; it is developed from the left common cardinal vein, and occasionally persists as a left superior vena cava. Synonym: vena obliqua atrii sinistri, Marshall's oblique vein. (05 Mar 2000) |
| vena obturatoria | <anatomy, vein> Formed by the union of tributaries draining the hip joint and the obturator and adductor muscles of the thigh; it enters the pelvis by the obturator canal as venae comitantes of the obturator artery and empties into the internal iliac vein. Synonym: vena obturatoria. (05 Mar 2000) |
| vena occipitalis | <anatomy, vein> Drains the occipital region and empties into the internal jugular vein or the suboccipital plexus. Synonym: vena occipitalis. (05 Mar 2000) |
| vena ophthalmica inferior | <anatomy, vein> Arises from the inferior palpebral and lacrimal veins and divides into two terminal branches, one of which runs to the pterygoid plexus while the other joins the superior ophthalmic vein or empties into the cavernous sinus. Synonym: vena ophthalmica inferior. (05 Mar 2000) |
| vena ophthalmica superior | <anatomy, vein> Begins anteriorly from the nasofrontal vein, passes along the upper part of the medial wall of the orbit, passes through the superior orbital fissure, to empty into the cavernous sinus. Synonym: vena ophthalmica superior. (05 Mar 2000) |
| vena ovarica dextra | <anatomy, vein> Begins as the pampiniform plexus at the hilum of the ovary and opens into the inferior vena cava. Synonym: vena ovarica dextra. (05 Mar 2000) |
| vena ovarica sinistra | <anatomy, vein> Begins as the pampiniform plexus at the hilum of the ovary and empties into the left renal vein. Synonym: vena ovarica sinistra. (05 Mar 2000) |
| vena palatina | <anatomy, vein> Drains the palatine regions and empties into the facial vein. Synonym: vena palatina. (05 Mar 2000) |
| vena petrosa | <anatomy, vein> A short trunk formed by the union of four or five cerebellar and pontine veins opposite the middle cerebellar peduncle; it terminates in the superior petrosal sinus. See: superior petrosal sinus, inferior petrosal sinus. Synonym: vena petrosa. (05 Mar 2000) |
| vena phrenica inferior | <anatomy, vein> The vein that drains the substance of the diaphragm and empties on the right side into the inferior vena cava, on the left side into the left suprarenal vein; often a second vein on the left side passes transversely across the diaphragm anterior to the oesophageal hiatus to enter the inferior vena cava. Synonym: vena phrenica inferior. (05 Mar 2000) |
| vena pontomesencephalica anterior | A vein in the midline of the interpeduncular fossa on the superior and anterior aspects of the pons; it communicates with the basal vein superiorly and the petrosal vein inferiorly. Synonym: anterior pontomesencephalic vein. (05 Mar 2000) |
| vena poplitea | <anatomy, vein> The vein formed by the union of the anterior and posterior tibial veins; it courses through the popliteal space and becomes the femoral vein. (12 Dec 1998) |
| vena portae hepatis | <anatomy, vein> A large vein that carries blood from the stomach and intestines to the liver. (09 Oct 1997) |
| venlafaxine hydrochloride |
(ven
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| venomosalivary |
(ven
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| venomotor |
(ve
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| venous blood |
deoxygenated blood, found in the systemic veins, the right chambers of the heart, and the pulmonary arteries; it is dark red in color.
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| venous capillary |
a type of minute vessel lacking a muscular coat, intermediate in structure and location between a venule and a capillary. Called also postcapillary and postcapillary venule.
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| ven | arises near the apex of the heart and empties into the coronary sinus |
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| ven | deep vein of the penis |
| ven | either of two pulmonary veins (left and right) returning blood from the inferior lobes of the lungs |
| ven | any of four veins that carry arterial blood from the lungs to the left atrium of the heart |
| ven | either of two pulmonary veins (left and right) returning blood from the superior lobes of the lungs |
| ven | a tributary of the right gastric vein |
| ven | superficial veins ascending the radial side of the forearm |
| ven | any of several veins draining the walls of the anal canal and rectum |
| ven | veins that accompany renal arteries |
| ven | posterior branch of the facial vein |
| ven | vein of the sacral region |
| ven | either of two chief superficial veins of the leg that drain blood from the foot |