| RHV | right hepatic vein |
|---|---|
| RAD | radial artery catheter; radiation absorbed dose; radical; radiography or radiographic; reactive airw... |
| RAI | radioactive iodine; radioactive isotope; resident assessment instrument; resting ankle index; right ... |
| RAR | rapidly adapting receptor; rat insulin receptor; retinoic acid receptor; right arm reclining; right ... |
| RB | radiation burn; rating board; rebreathing; reticulate body; retinoblastoma; right bronchus; right bu... |
| hepatic segments | Territories of the liver with independent portobilioarterial distribution or independent venous drainage. The naming of segments in the NA is based upon the portobilioarterial distribution. See: anterior segment, lateral segment, medial segment, posterior segment. Synonym: segmenta hepatis, segments of liver. (05 Mar 2000) |
|---|---|
| hepatic steatosis | <radiology> Hyperalimentation, diabetes, Cushing disease, steroids, obesity, previous jejunal bypass, Reye syndrome, kwashiorkor, malnutrition (EtOH, chemo, RT), Crohn disease (12 Dec 1998) |
| hepatic transplant | <surgery> Surgery to replace a disease liver with a healthy one from a donor. Over 1,000 are performed each year in the us. This procedure is technically quite difficult, since both vessels and biliary tract must be reattached to the new liver. most often indicated in those with long-term chronic hepatitis or congenital liver defects. Not usually performed in the situation of alcoholic cirrhosis or primary biliary cirrhosis. (27 Sep 1997) |
| hepatic triad | Branches of the portal vein, hepatic artery, and the biliary ducts bound together in the perivascular fibrous capsule or portal tract as they ramify within the substance of the liver. Synonym: hepatic triad, triad. (05 Mar 2000) |
| proper hepatic artery | <anatomy, artery> Origin, common hepatic; branches, right and left hepatic. Synonym: arteria hepatica propria. (05 Mar 2000) |
| hepatic vein thrombosis | Occlusion of the hepatic veins caused by thrombi or fibrous obliteration of the veins. (12 Dec 1998) |
| hepatic veno-occlusive disease | Blockage of the small- or medium-sized hepatic veins due to nonthrombotic subendothelial oedema which may progress to fibrosis. (12 Dec 1998) |
| hepatic venous segments | Each of the four territories of the liver separately drained by the hepatic veins. Synonym: hepatic venous segments. (05 Mar 2000) |
| sphincter of hepatic flexure of colon | Physiological sphincter at the level of the right colic flexure. (05 Mar 2000) |
| echinococcosis, hepatic | Helminth infection of the liver caused by echinococcus granulosus or echinococcus multilocularis. (12 Dec 1998) |
| tuberculosis, hepatic | Infection of the liver with tubercle bacilli producing localised granulomata, miliary lesions, or tuberculoma. (12 Dec 1998) |
| left hepatic artery | <anatomy, artery> Left branch of proper hepatic artery; terminal branch off proper hepatic artery supplying left lobe of the liver. Synonym: ramus sinister arteriae hepaticae propriae. (05 Mar 2000) |
| left hepatic duct | The duct that drains bile from the left half of the liver, including the quadrate lobe and the left part of the caudate lobe. Synonym: ductus hepaticus sinister. (05 Mar 2000) |
| apical branch of inferior lobar branch of right pulmonary artery | <anatomy, artery> Branch (of the inferior lobar branch) of the right pulmonary artery serving the apical segment of the inferior lobe of the right lung. Synonym: ramus apicalis lobi inferioris arteriae pulmonalis dextrae. (05 Mar 2000) |
| arrhythmogenic right ventricular dysplasia | A congenital cardiomyopathy in which transmural infiltration of adipose tissue results in weakness and aneurysmal bulging of the infundibulum, apex, and posterior basilar region of the right ventricle and leads to ventricular tachycardia arising in the right ventricle. (12 Dec 1998) |