Skip to search formSkip to main contentSkip to account menu

Portal System

Known as: Systems, Portal, Portal Systems, System, Portal 
A system of vessels in which blood, after passing through one CAPILLARY BED, is conveyed through a second set of capillaries before it returns to the… 
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Review
2004
Review
2004
In chronic viral hepatitis, liver biopsy is performed to grade and stage liver damage. Liver biopsy samples are usually taken… 
Review
2004
Review
2004
Various types of hepatocellular nodules are seen in cirrhotic livers. In these nodules, two types of human hepatocarcinogenesis… 
Highly Cited
2001
Highly Cited
2001
The monocyte chemotactic proteins (MCPs) form a distinct structurally related subclass of C–C chemokines. MCPs select specific… 
Highly Cited
1997
Highly Cited
1997
There have been few reported visual observations of metastatic cancer cell arrest in vivo. To seek evidence that inducible… 
Highly Cited
1990
Highly Cited
1990
The authors have determined the cell types producing alpha 1 (I), alpha 2 (I), alpha 1 (III), and alpha 1 (IV) procollagen gene… 
Highly Cited
1990
Highly Cited
1990
Adenomatous hyperplasia, defined as a sizable parenchymal nodule in cirrhosis, was examined morphologically, Ninety‐seven nodules… 
Highly Cited
1989
Highly Cited
1989
We have previously described circulating autoantibodies to a portal tract antigen in patients with primary sclerosing cholangitis… 
Highly Cited
1979
Highly Cited
1979
The association of high amplitude echoes returned from the liver and advanced cirrhosis is well recognized. We have become… 
Highly Cited
1975
Highly Cited
1975
Scanning electron microscopy (SEM) allows the surface ultrastructure of intrahepatic cells and other tissue components of liver…