| SR | sarcoplasmic reticulum; saturation recovery; scanning radiometer; screen; secretion rate; sedimentat... |
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| SRM | spontaneous rupture of membranes; Standard Reference Material; superior rectus muscle |
| SRV | Schmidt-Ruppin virus; simian retrovirus; superior radicular vein |
| SSS | scalded skin syndrome; secondary Sjogren syndrome; sick sinus syndrome; specific soluble substance; ... |
| SSST | superior sagittal sinus thrombosis |
| vena gastro-omentalis sinistra | <anatomy, vein> The vein that accompanies the left gastroepiploic artery along the greater curvature of the stomach; it empties into the splenic vein. Synonym: vena gastro-omentalis sinistra, left gastroomental vein. (05 Mar 2000) |
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| vena gyri olfactorii | A tributary of the basal vein which drains the medial olfactory stria. Synonym: vein of olfactory gyrus. (05 Mar 2000) |
| vena hemiazygos | <anatomy, vein> Formed by the merger of the left ascending lumbar vein with the left subcostal vein or a communication from the inferior vena cava, it pierces the left crus of the diaphragm, ascends along the left side of the bodies of the lower thoracic vertebrae, opposite the eighth vertebra, crosses the midline behind the aorta, thoracic duct, and oesophagus, and empties into the azygos vein, sometimes in common with the accessory hemiazygos vein. Synonym: vena hemiazygos, vena azygos minor inferior. (05 Mar 2000) |
| vena hemiazygos accessoria | <anatomy, vein> Formed by the union of the fourth to seventh left posterior intercostal veins, passes along the side of the bodies of the fifth, sixth, and seventh thoracic vertebrae, then crosses the midline behind the aorta, oesophagus, and thoracic duct, and empties into the azygos vein, sometimes in common with the hemiazygos vein. Synonym: vena hemiazygos accessoria, vena azygos minor superior. (05 Mar 2000) |
| vena hypogastrica | An obsolete term for internal iliac vein. (05 Mar 2000) |
| vena ileocolica | <anatomy, vein> A large tributary of the superior mesenteric vein that runs parallel to the ileocolic artery and drains the terminal ileum, appendix, caecum, and the lower part of the ascending colon. Synonym: vena ileocolica. (05 Mar 2000) |
| vena iliaca communis | <anatomy, vein> Formed by the union of the external and internal iliac veins at the brim of the pelvis and passes upward behind the internal iliac artery to the right side of the body of the fifth lumbar vertebra where it unites with its fellow of the opposite side to form the inferior vena cava; the left common iliac vein is submitted to a pulsating compression by the right common iliac artery against the vertebral column which may result in partial obstruction of the vein. Synonym: vena iliaca communis. (05 Mar 2000) |
| 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) |
| 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 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) |