| UL | ultrasonic; Underwriters Laboratories; undifferentiated lymphoma; upper limb; upper limit; upper lob... |
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| ULPE | upper lobe pulmonary edema |
| HCG, hCG | Human Chorionic Gonadotropin; 사람융모성성선자극호르몬 1. Placental Glycoprotein Hormone &nbs... |
| MCA | Middle Cerebral Artery |
| ACMF | arachnoid cyst of the middle fossa |
| right parasternal impulses | Cardiac activity as palpable or recordable just to the right of the sternum. (05 Mar 2000) |
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| right part of diaphragmatic surface of liver | The part of the diaphragmatic surface of the liver deep to the bodies of the lower ribs on the right side. Synonym: pars dextra faciei diaphragmaticae hepatis. (05 Mar 2000) |
| right pulmonary artery | <anatomy, artery> The longer of the two terminal branches of the pulmonary trunk, it passes transversely across the mediastinum passing inferior to the aortic arch to enter the hilum of the right lung. Branches are distributed with the bronchi; frequent variations occurs. Typical branches to the superior lobe (rami lobi superioris ) are apical (ramus apicalis ), anterior ascending (rami anterior ascendens ), anterior descending (ramus anterior descendens ), posterior ascending (ramus posterior ascendens ), and posterior descending (ramus posterior descendens ); to the middle lobe (rami lobi medii ) are medial (ramus medialis ) and lateral (ramus lateralis ); and to the inferior lobe (rami lobi inferioris ) are superior (apical) branch of inferior lobe (ramus superior (apicalis) lobi inferioris ), and the anterior, lateral (lateralis), medial (medialis) and posterior basal branches (rami basalis). Synonym: arteria pulmonalis dextra. (05 Mar 2000) |
| right sagittal fissure | A sagittal groove on the undersurface of the liver formed by the fossa vesicae felleae anteriorly and the sulcus venae cavae posteriorly. (05 Mar 2000) |
| right splicing junction | Boundary between the right end of an intron and the left end of the adjacent exon. Synonym: acceptor splicing site. (05 Mar 2000) |
| right superior intercostal vein | <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) |
| right superior pulmonary vein | <anatomy, vein> The vein returning oxygenated blood from the superior and middle lobes of the right lung to the left atrium. Synonym: vena pulmonalis superior dextra. (05 Mar 2000) |
| right suprarenal vein | <anatomy, vein> The short vein that passes from the hilum of the right suprarenal to the inferior vena cava. Synonym: vena suprarenalis dextra. (05 Mar 2000) |
| right testicular vein | <anatomy, vein> Begins as the pampiniform plexus and ascends to joint the inferior vena cava. Synonym: vena testicularis dextra. (05 Mar 2000) |
| right to die | The right of the patient or the patient's representative to make decisions with regard to the patient's dying. (12 Dec 1998) |
| right-to-left shunt | The passage of blood from the right side of the heart into the left (as through a septal defect), or from the pulmonary artery into the aorta (as through a patent ductus arteriosus); such a shunt can occur only when the pressure on the right side exceeds that in the left, as in advanced pulmonic stenosis, or when the pulmonary artery pressure exceeds aortic pressure, as in one form of Eisenmenger's syndrome or in tricuspid atresia. (05 Mar 2000) |
| right triangular ligament | <anatomy> A triangular fold of peritoneum that passes from the right lobe of the liver to the diaphragm; it is a formation of the coronary ligament, formed as the coronary ligament makes an acute angle upon reaching its most lateral point on the right side as it surrounds the bare area of the liver. Synonym: ligamentum triangulare dextrum. (05 Mar 2000) |
| right ventricle | The muscular chamber of the heart which accepts blood from the right atrium and pumps it through the pulmonary artery into the lungs. (27 Sep 1997) |
| right ventricular failure | An weakening of the right ventricle that results in the back up of blood in the venous system, liver, gastrointestinal tract and extremities. The causes of this condition include left-sided congestive heart failure, emphysema, valvular heart disease, cardiomyopathy, anaemia, hyperthyroidism, cor pulmonale and congenital heart disease. Risk factors include diabetes, alcoholism, obesity and smoking. Symptoms include swelling of the feet and ankles, nocturia, increased distention of neck veins, fatigue, weakness and fainting, Ascites, arrhythmias and pleural effusions are complications of right ventricular failure. (27 Sep 1997) |
| right ventricular hypertrophy | <radiology> Pulmonary valve stenosis, pulmonary hypertension, tetralogy of Fallot, VSD (12 Dec 1998) |