What is the Significance of the Portal Triads?

The video explains the hepatic portal triads, their structure, and their role in liver function. It covers the organization of liver lobules, the components of portal triads, and the functions of hepatocytes, including bile acid synthesis and metabolic processes like gluconeogenesis. The video also discusses nutrient absorption via the hepatic portal vein and the importance of the hepatic artery in supplying oxygen to hepatocytes.

What is the primary structural unit of the liver that contains the central vein?

• Hepatic lobule

• Hepatic artery

• Portal triad

• Bile duct

Which vessel in the portal triad is responsible for carrying bile?

• Central vein

• Bile duct

• Hepatic portal vein

• Hepatic artery

What is one of the main functions of hepatocytes related to bile?

• Transport of bile to the intestine

• Storage of bile

• Synthesis of bile acids

• Conversion of bile to glucose

How do hepatocytes contribute to maintaining blood glucose levels during fasting?

• By absorbing glucose from the intestine

• By performing gluconeogenesis and glycogenolysis

• By converting glucose to amino acids

• By storing glucose as glycogen

Which vein is involved in transporting nutrients absorbed from the small intestine to the liver?

• Hepatic portal vein

• Central vein

• Superior mesenteric vein

• Hepatic vein

What is the role of the hepatic artery in the liver?

• To store glucose as glycogen

• To carry nutrients from the intestine

• To supply oxygenated blood to hepatocytes

• To transport bile to the gallbladder

Why is the portal triad important for liver function?

• It converts glucose to amino acids

• It organizes the transport of substances to and from hepatocytes

• It absorbs nutrients directly from the stomach

• It stores bile for digestion