| SS | disulfide; sacrosciatic; saline soak; saline solution; saliva sample; saliva substitute; Salmonella-... |
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| SSS | scalded skin syndrome; secondary Sjogren syndrome; sick sinus syndrome; specific soluble substance; ... |
| SVR | sequential vascular response; systemic vascular resistance |
| SVRI | systemic vascular resistance index |
| sys | system, systemic |
| condylar emissary vein | <anatomy, vein> A vein that connects the sigmoid sinus and the external vertebral venous plexuses through the condylar canal of the occipital bone. Synonym: vena emissaria condylaris, emissarium condyloideum. (05 Mar 2000) |
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| coronary vein | <anatomy, vein> Arises from a union of veins from both surfaces of the cardia of the stomach and an oesophageal tributary from the cardiac portion of the oesophagus; it runs in the lesser omentum and empties into the portal vein. See: oesophageal veins. Synonym: vena gastrica sinistra, coronary vein, vena coronaria ventriculi. (05 Mar 2000) |
| costoaxillary vein | <anatomy, vein> One of a number of anastomotic vein's connecting the intercostal vein's of the first to seventh intercostal spaces with the lateral thoracic or the thoracoepigastric vein. (05 Mar 2000) |
| popliteal vein | <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) |
| portal vein | <anatomy, vein> A large vein that carries blood from the stomach and intestines to the liver. (09 Oct 1997) |
| posterior anterior jugular vein | <anatomy, vein> A variable tributary of the external jugular vein arising in the upper posterior part of the neck. (05 Mar 2000) |
| posterior auricular vein | <anatomy, vein> Drains the region posterior to the ear then merges with the retromandibular vein to form the external jugular vein. Synonym: vena auricularis posterior. (05 Mar 2000) |
| posterior branch of right branch of portal vein | <anatomy, vein> Posterior segmental branch of portal vein; branch to posterior segments of right lobe of liver. Synonym: ramus posterior rami dextri venae portae hepatis. (05 Mar 2000) |
| posterior branch of right superior pulmonary vein | <anatomy, vein> Drains posterior portion of superior lobe of right lung. Synonym: ramus posterior venae pulmonalis dextrae superioris. (05 Mar 2000) |
| posterior facial vein | <anatomy, vein> It is formed by the union of the superficial temporal and maxillary veins in front of the ear, runs posterior to the ramus of the mandible through the parotid gland, and unites with the posterior auricular vein to form the external jugular vein; it usually has a large communicating branch with the facial vein. Synonym: vena retromandibularis, posterior facial vein, temporomaxillary vein, vena facialis posterior. (05 Mar 2000) |
| posterior marginal vein | It originates on the superior surface of the corpus callosum and runs posteriorly to terminate in the great cerebral vein. Synonym: dorsal callosal vein, dorsal vein of corpus callosum, posterior marginal vein, posterior pericallosal vein. (05 Mar 2000) |
| posterior pericallosal vein | It originates on the superior surface of the corpus callosum and runs posteriorly to terminate in the great cerebral vein. Synonym: dorsal callosal vein, dorsal vein of corpus callosum, posterior marginal vein, posterior pericallosal vein. (05 Mar 2000) |
| posterior vein of left ventricle | Arises on the diaphragmatic surface of the heart near the apex, runs to the left and parallel to the posterior interventricular sulcus, and empties in the coronary sinus. Synonym: vena posterior ventriculi sinistri. (05 Mar 2000) |
| posterior vein of septum pellucidum | Vein draining the posterior part of the transparent septum; it empties into the superior thalamostriate vein. Synonym: vena septi pellucidi posterior. (05 Mar 2000) |
| cutaneous vein | <anatomy, vein> One of a number of veins that course in the subcutaneous tissue and empty into deep veins; they form prominent systems of vessels in the limbs and are usually not accompanied by arteries. Synonym: vena cutanea, cutaneous vein. (05 Mar 2000) |