Liver is a glandular organ and is reddish-brown in color. It has 4 lobes which are unequal in size and shape. Liver is in the right-side of the of abdominal cavity below the diaphragm.

Hepatic artery and Portal vein

carry blood into the liver.

Hepatic artery carries oxygen rich blood from the major artery in the heart, “


”. Portal vein carries blood that contains digested food from small intestine. These vessels are sub-divided in liver into very small capillaries. Tissues of liver are composed of 1000’s of lobules (made of hepatic cells). The basic cells of liver are hepatic cells.

Functions of Liver:

Liver performs various functions. Its functions include:

  • Produces substances that help in breaking down fat.
  • Glucose is converted to glycogen.
  • Produces urea.
  • Prepares amino acids.
  • Filters harmful substances like alcohol in the blood.
  • Stores vitamins and minerals.
  • Maintains glucose levels in blood.
  • Responsible in the cholesterol production.

Liver Regeneration:

This is capable in the regeneration of lost tissues i.e., it can develop into whole if 25 percent of the liver is present. It takes at least 8yrs to grow completely. This is because of the hyptochronatin cells in the remaining liver.

Liver Diseases:

Many diseases are caused due to jaundice because of increased levels in


The following are some of the diseases that affect liver.
Hepatitis: Inflammation in the liver.
Liver cancer.
Cirrhosis: Severe inflammation that results in failure of liver.

Some medications damage the liver such as Serzone, diabetes medicines and some anti cancer drugs. Serzone is used for the treatment of depression.


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