Liver Regeneration and Transplantation

The video explains how the liver can regenerate after partial donation. If 70% of a liver is donated, it can regrow in about a year. Conversely, receiving 30% of a liver from a donor can also result in a full-sized organ within a year. This regeneration occurs because liver cells receive signals to grow and multiply. However, the regrown liver's structure differs from the original, as it uses mature liver cells instead of stem cells. While a regrown liver functions well, it may not be suitable for further donation due to structural differences.

What percentage of the liver can be donated while still allowing it to regrow within a year?

• 50%

• 70%

• 90%

• 30%

How long does it take for a liver to regenerate after receiving a partial transplant?

• Two years

• Six months

• One year

• Three months

What triggers liver cells to start growing and multiplying?

• A change in diet

• An increase in physical activity

• A decrease in liver function

• A signal received after part of the liver is removed

Why is a regenerated liver not identical to the original liver?

• It uses different types of cells

• It is larger in size

• It grows faster

• It has more blood vessels

What type of cells are used in the initial formation of a liver?

• Mature liver cells

• Nerve cells

• Blood cells

• Stem cells