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Which part of the intestine is located on the left side of the navel?

Nov 28, 2024 Source: Cainiu Health
Dr. Li Jingxiang
Introduction
The descending colon is part of the colon located on the left side of the abdominal wall. It connects to the transverse colon above and continues to the sigmoid colon below. The descending colon is approximately 25 cm long, starting at the left colic flexure and descending along the lateral border of the left kidney and the anterior surface of the quadratus lumborum muscle, continuing into the sigmoid colon at the left iliac crest. Its main functions are water absorption and waste excretion.

Under normal circumstances, the left side of the navel contains parts of the colon, including the descending colon and small intestine. If discomfort occurs, it is recommended to seek timely medical consultation at a hospital and receive standardized treatment under a doctor's guidance. A detailed explanation is as follows:

The descending colon is part of the large intestine, located along the left abdominal wall, connecting to the transverse colon above and the sigmoid colon below. The descending colon measures approximately 25 cm in length, starting from the left colic flexure, descending along the lateral border of the left kidney and the anterior surface of the quadratus lumborum muscle, and continuing into the sigmoid colon at the left iliac crest. Its primary functions are water absorption and waste excretion.

The small intestine is mainly located around the navel, so a portion of it is also present on the left side. The small intestine is the longest segment of the digestive tract, extending from the pylorus of the stomach to the cecum, and is divided into three parts: the duodenum, jejunum, and ileum. Among these, the jejunum is commonly located in the left lumbar and umbilical regions. The small intestine contains numerous villi and serves as the main site for nutrient absorption in the body. After initial digestion in the stomach, food enters the small intestine, where various digestive enzymes break down nutrients into smaller molecules for absorption into the bloodstream.

If pain or discomfort occurs on the left side of the navel, the possibility of diseases affecting the above-mentioned organs should be considered. Prompt medical consultation is necessary to complete relevant examinations under a doctor's guidance, enabling targeted and appropriate treatment. Failure to follow proper treatment protocols may lead to serious consequences.

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