When cellular division in the liver is required, how are liver cells 'called back' from G0 phase to G1 phase in order to divide?

Dr Thomas Starzl was the first surgeon who transplanted liver. He died at the age of 90years. The first attempt was performed in 1963 but the patient died due to uncontrolled bleeding. Until 1967 multiple unsuccessful attempts were made by various surgeons. In 1967 Dr Thomas transplanted liver of ni....

The portal vein is responsible for transports cholesterol in chylomicrons from the intestine to the liver. Chylomicrons are tiny balls that enclose fatty particles like cholesterol. The hepatic portal vein is one of the most important veins that helps in receiving blood from the body and transports ....

Portal vein carries things away from the intestines and stomach & headed it to the liver because of which the liver receives regular blood from the artery & the intestines, which is headed from the gut to the liver for processing. These sources of blood drain from the liver in the hepatic ve....