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Is the liver on the left or right side of the human body?

Dec 30, 2024 Source: Cainiu Health
Dr. Gao Jun
Introduction
Under normal circumstances, the majority of the liver is located on the right side of the human body, with a smaller portion on the left. Most of the liver occupies the right upper quadrant of the abdomen, while a smaller section extends into the left upper quadrant, spanning the upper portion of the abdominal cavity. The liver's upper surface is adjacent to the diaphragm and lies in proximity to the right lung and right atrium of the heart. Its lower surface is neighboring the stomach, duodenum, and right colic flexure, while its posterior aspect is adjacent to the right adrenal gland and right kidney.

Under normal circumstances, the majority of the liver is located on the right side of the body, with a smaller portion on the left side. A detailed explanation is as follows:

The majority of the liver is located in the upper right quadrant of the abdomen, while a smaller portion resides in the upper left quadrant, spanning the upper portion of the abdominal cavity. The upper part of the liver is adjacent to the diaphragm and lies close to the right lung and right atrium of the heart, while the lower part neighbors organs such as the stomach, duodenum, and right colic flexure. The posterior portion of the liver is adjacent to the right adrenal gland and right kidney.

When liver disease occurs, its position may change accordingly. For example, conditions such as viral hepatitis, liver abscess, or liver tumors may cause inflammation and potentially lead to hepatomegaly (liver enlargement), causing the liver to extend beyond its normal anatomical boundaries. Additionally, in certain thoracic or abdominal conditions where intra-abdominal pressure changes, the position of the liver may also be affected. For instance, in patients with emphysema, the diaphragm may descend, causing the liver to shift downward. In cases of massive ascites or excessive abdominal distension, increased intra-abdominal pressure may push the liver upward.

It is recommended to engage in moderate physical activities, such as walking, jogging, or yoga, which can help promote metabolism and blood circulation, thereby facilitating the liver's detoxification process. However, excessive or overly strenuous exercise should be avoided to prevent additional strain on the liver.

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