| Rappaport classification | A histologic classification of lymphomas in use before the availability of recent methods for identification of B-and T-type lymphocytes. (05 Mar 2000) |
|---|---|
| Rappaport's acinus | The smallest functional unit of the liver, comprising all of the liver parenchyma supplied by a terminal branch of the portal vein and hepatic artery; typically involves segments of two lobules lying between two terminal hepatic venules. Synonym: Rappaport's acinus. (05 Mar 2000) |