| vena iliaca externa | <anatomy, vein> A direct continuation of the femoral vein superior to the inguinal ligament, uniting with the internal iliac vein to form the common iliac vein. Synonym: vena iliaca externa. (05 Mar 2000) |
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| vena iliaca interna | <anatomy, vein> Runs from the upper border of the greater sciatic notch to the brim of the pelvis where it joins the external iliac vein to form the common iliac vein; it drains most of the territory supplied by the internal iliac artery. Synonym: vena iliaca interna. (05 Mar 2000) |
| vena iliolumbalis | <anatomy, vein> Accompanying the artery of the same name, anastomosing with the lumbar and deep circumflex iliac veins, and emptying into the internal iliac vein. Synonym: vena iliolumbalis. (05 Mar 2000) |
| vena innominata | Archaic term for brachiocephalic veins. (05 Mar 2000) |
| vena intercostalis superior dextra | <anatomy, vein> A tributary of the azygos vein formed by the union of the right second, third, and fourth posterior intercostal veins. Synonym: vena intercostalis superior dextra. (05 Mar 2000) |
| vena intercostalis superior sinistra | <anatomy, vein> The vein formed by the union of the left second, third, and fourth intercostal veins; it passes forward across the arch of the aorta to empty into the left brachiocephalic vein and frequently communicates also with the accessory hemiazygos vein. Synonym: vena intercostalis superior sinistra. (05 Mar 2000) |
| vena intercostalis suprema | <anatomy, vein> The vein draining the first intercostal space into either the vertebral or the brachiocephalic vein. Synonym: vena intercostalis suprema, supreme intercostal vein. (05 Mar 2000) |
| vena intermedia antebrachii | It begins at the base of the dorsum of the thumb, curves around the radial side, ascends the middle of the forearm, and just below the bend of the elbow divides into the intermediate basilic and intermediate cephalic veins; sometimes it divides lower down, one branch going to the basilic vein, the other to the intermediate vein of the elbow. Synonym: vena intermedia antebrachii, intermediate antebrachial vein, intermediate vein of forearm, median vein of forearm, vena mediana antebrachii. (05 Mar 2000) |
| vena intermedia basilica | <anatomy, vein> The medial branch of the median antebrachial vein which joins the basilic vein. Synonym: vena intermedia basilica, median basilic vein, vena mediana basilica. (05 Mar 2000) |
| vena intermedia cephalica | <anatomy, vein> The lateral branch of the median antebrachial vein that joins the cephalic vein near the elbow. Synonym: vena intermedia cephalica, median cephalic vein, vena mediana cephalica. (05 Mar 2000) |
| vena intermedia cubiti | <anatomy, vein> A vein which passes across the anterior aspect of the elbow from the cephalic vein to the basilic vein; commonly this vein is replaced by intermediate basilic and intermediate cephalic veins. The median cubital vein is often used for venipuncture. Synonym: vena intermedia cubiti, intermediate cubital vein, vena mediana cubiti. (05 Mar 2000) |
| vena intervertebralis | <anatomy, vein> One of numerous veins accompanying the spinal nerves through the intervertebral foramina, draining spinal cord and vertebral venous plexuses, and emptying in the neck into the vertebral vein, in the thorax into the intercostal veins, in the lumbar and sacral regions into the lumbar and sacral veins. Synonym: vena intervertebralis. (05 Mar 2000) |
| vena jugularis anterior | <anatomy, vein> It arises below the chin from veins draining the lower lip and mental region, descends the anterior portion of the neck superficially, and terminates in the external jugular vein at the lateral border of the scalenus anterior muscle. Synonym: vena jugularis anterior. (05 Mar 2000) |
| vena jugularis externa | <anatomy, vein> Superficial vein formed inferior to the parotid gland by the junction of the posterior auricular vein and the retromandibular vein, and passes down the side of the neck crossing to the sternocleidomastoid muscle vertically to empty into the subclavian vein. Synonym: vena jugularis externa. (05 Mar 2000) |
| vena jugularis interna | <anatomy, vein> Main venouus structure of the neck, formed as a continuation of the sigmoid sinus of the dura mater, contained within the carotid sheath as it descends the neck uniting, behind the sternoclavicular joint, with the subclavian vein to form the brachiocephalic vein. Synonym: vena jugularis interna. (05 Mar 2000) |
| vena | a vein that receives blood from the tongue and the floor of the mouth and empties into the internal jugular or the facial vein |
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| vena | veins that drain the posterior body wall and the lumbar vertebral venous plexuses |
| vena | posterior continuation of the pterygoid plexus |
| vena | a tributary of the portal vein passing from the intestine between the two layers of mesentery |
| vena | dorsal and palmar veins of the hand |
| vena | dorsal and plantar branches of veins serving the metatarsal region of the foot |
| vena | veins that drain the upper abdominal wall and the lower intercostal spaces and the abdomen |
| vena | one of the veins that drain the external nose and empty into the angular or facial vein |
| vena | a vein located in the anterior medial part of the orbit |
| vena | a tributary of the coronary sinus |
| vena | a vein formed by the union of tributaries that drain the hip joints and thigh muscles |
| vena | a vein that drains the occipital region |