Lobes of liver
(Redirected from Lobus hepatis sinister)
Lobes of Liver
The liver is a large, vital organ present in vertebrates and some other animals. It has a wide range of functions, including detoxification, protein synthesis, and the production of biochemicals necessary for digestion. The liver is divided into distinct parts known as lobes of liver.
Anatomy[edit | edit source]
The human liver is divided into two main lobes: the right lobe and the left lobe. They are separated by a band of fibrous tissue called the falciform ligament. The right lobe is larger and is further divided into an anterior and posterior segment by the right hepatic vein. The left lobe is smaller and is further divided into the medial and lateral segments by the left hepatic vein.
In addition to the main lobes, there are two smaller lobes located on the posterior side of the liver, known as the caudate lobe and the quadrate lobe. The caudate lobe is located on the right side of the liver, near the inferior vena cava, and the quadrate lobe is located on the left side, near the gallbladder.
Functions[edit | edit source]
Each lobe of the liver has a specific function. The right lobe, being the largest, performs most of the liver's metabolic functions. This includes the detoxification of harmful substances, the storage of vitamins and minerals, and the production of bile, a substance necessary for digestion.
The left lobe, although smaller, also plays a crucial role in metabolism. It is primarily responsible for the production of proteins, including those necessary for blood clotting.
The caudate and quadrate lobes, although smaller, have important roles in the liver's function. The caudate lobe is involved in the liver's blood supply, while the quadrate lobe is involved in the production and storage of bile.
Clinical significance[edit | edit source]
Understanding the lobes of the liver is crucial in the field of hepatology, the branch of medicine that deals with diseases of the liver. Conditions such as hepatitis, cirrhosis, and liver cancer can affect specific lobes of the liver, and treatments often involve targeting these specific areas.
Liver transplantation, a surgical procedure to replace a diseased liver with a healthy one, also requires a thorough understanding of the liver's lobes. In some cases, only a portion of the liver, or a single lobe, may be transplanted.
See also[edit | edit source]
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