| hepatic portal system | A venous portal system in which the portal vein receives blood via its tributaries from the capillaries of most of the abdominal viscera and drains it into the hepatic sinusoids. (05 Mar 2000) |
|---|---|
| hepatic portal vein | <anatomy, vein> A large vein that carries blood from the stomach and intestines to the liver. (09 Oct 1997) |
| hepatic prominence | The conspicuous external bulge appearing dorsocaudal to the cardiac prominence on the body of the human embryo at about the fourth week, indicating the precocious development of the liver. (05 Mar 2000) |
| 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 veins | Veins which drain the liver. (12 Dec 1998) |
| 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) |