Anatom3DPortal triad
Trias portalis · Portální trias
Veins
Looks like
Tiny bundles at the corners of each liver lobule, each holding a branch of the portal vein, the hepatic artery and a bile duct.
What it does
Bring blood into the liver and carry bile out.
Keeping it well
Inflammation and scarring in liver disease start around them; raised liver blood tests show when they are under strain.
Related conditions
- Acute liver failure
- Acute porphyria
- Alcohol withdrawal and delirium tremens
- Alcohol-related liver disease
- Alpha-1 antitrypsin deficiency
- Autoimmune hepatitis
- Bile duct cancer (cholangiocarcinoma)
- Biliary atresia
- Brucellosis
- Chronic venous insufficiency
- Cirrhosis
- Clotting disorders (thrombophilia & APS)
- Deep vein thrombosis
- Dengue & mosquito-borne fevers
- Ebola virus disease
- Echinococcosis (hydatid disease)
- Eye melanoma (uveal melanoma)
- Gilbert's syndrome
- Haemochromatosis & Wilson's disease
- Hepatic encephalopathy
- High cholesterol
- Intestinal worms & schistosomiasis
- Intrahepatic cholestasis of pregnancy
- Leishmaniasis
- Leptospirosis (Weil's disease)
- Liver abscess (pyogenic and amoebic)
- Liver cancer (hepatocellular carcinoma)
- Malaria
- Metabolic fatty liver disease (MASLD)
- Metabolic syndrome
- Myelofibrosis
- Newborn jaundice
- Phenylketonuria (PKU)
- Poisoning & overdose
- Portal vein thrombosis and Budd–Chiari syndrome
- Primary biliary cholangitis
- Primary sclerosing cholangitis
- Varicose veins
- Viral hepatitis (A, B, C, D, E)
- Yellow fever