| INV | inferior nasal vein |
|---|---|
| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |
| IRV | inferior radicular vein; inspiratory reserve volume; inverse ratio ventilation |
| ITA | inferior temporal artery; internal thoracic artery; International Tuberculosis Association |
| ITQ | inferior temporal quadrant |
| veins of kidney | The tributaries of the renal vein that drain the kidney; they parallel the arteries in the kidney and consist of interlobular, arcuate, and interlobar veins. Synonym: venae renis. (05 Mar 2000) |
|---|---|
| veins of knee | The veins that accompany the genicular arteries; they drain blood from the structures around the knee, terminating in the popliteal vein. Synonym: venae genus. (05 Mar 2000) |
| veins of medulla oblongata | Several veins draining the medulla oblongata; they are tributaries of the anterior spinal vein and the petrosal vein. Synonym: veins of medulla oblongata. (05 Mar 2000) |
| veins of pons | Several veins running transversely on the pons to join the petrosal vein. Synonym: venae pontis, veins of pons. (05 Mar 2000) |
| veins of superior eyelid | Veins draining the superior eyelid anteriorly into the angular vein. Synonym: venae palpebrales superiores, veins of superior eyelid. (05 Mar 2000) |
| veins of temporomandibular joint | Several small tributaries to the retromandibular vein from the temporomandibular joint. Synonym: venae articulares temporomandibulares. (05 Mar 2000) |
| veins of vertebral column | Includes the internal and external vertebral venous plexuses, the basivertebral veins, and the anterior and posterior spinal veins. Synonym: venae columnae vertebralis. (05 Mar 2000) |
| paraumbilical veins | 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) |
| parietal veins | The superficial veins draining the parietal cerebral cortex and emptying into the superior sagittal sinus. Synonym: venae parietales. (05 Mar 2000) |
| masseteric veins | Plexiform vein's accompanying the masseteric artery that empty into the pterygoid venous plexus. (05 Mar 2000) |
| vesical veins | Veins that drain the vesical venous plexus; they join the internal iliac veins. Synonym: venae vesicales. (05 Mar 2000) |
| parotid veins | Branches draining part of the parotid gland and emptying into the retromandibular vein. Synonym: venae parotidea, posterior parotid veins. (05 Mar 2000) |
| vestibular veins | Veins draining the saccule and utricle; they are tributaries of both the labyrinthine veins and the vein of the vestibular aqueduct. Synonym: venae vestibulares. (05 Mar 2000) |
| Vieussens' veins | The small superficial vein's of the heart. Synonym: Vieussens' veins. (05 Mar 2000) |
| cavernous veins of penis | The cavernous venous spaces in the erectile tissue of the penis. Synonym: venae cavernosae penis. (05 Mar 2000) |