2025年2月13日 · After the left colic flexure, the colon moves inferiorly towards the pelvis – and is called the descending colon. It is retroperitoneal in the majority of individuals, but is located anteriorly to the left kidney, passing over its lateral border. When the colon begins to turn medially, it becomes the sigmoid colon.

结肠（colon）是介于 盲肠 与 直肠 之间的一段 大肠 [2] ，结肠在右髂窝内续于盲肠，在第3骶椎平面连接直肠。结肠分升结肠、横结肠、降结肠和乙状结肠4部，大部分固定于腹后壁，结肠的排列酷似英文字母“M”，将小肠包围在内。

Colorectal cancer originates from the epithelial tissue of the colon, and it may develop either on the right side or left side of the colon. Depending on the position, CRCs behave differently in terms of disease progression and overall survival.

The left colon consists of the left half of the transverse colon, splenic flexure, descending colon, and sigmoid. See Figure 1. 12 cm long; upper third covered by peritoneum; no peritoneum on lower third which is also called the rectal ampulla.

2024年9月27日 · The descending colon is on the left side of the abdomen above the sigmoid colon, rectum, and anus. Find out when symptoms suggest abnormal functioning.

2024年1月30日 · In healthy people, the colon looks like a U-shaped tube that is about 5 feet (1.5 meters) long. It makes up one-fifth of the length of the digestive tract, which begins at the mouth and ends at...

Your large intestine has three parts: the colon, rectum and anus. Each part does specific things to keep food waste moving through your large intestine. The colon. Your colon has five parts that work to process food waste and move waste to your rectum. Those parts are: Cecum: This is the first part of your colon. It’s about 3 inches (8 cm) long.

2013年1月24日 · Parts of the colon. Cecum: This is the beginning of the colon. It is located in the lower right side of the abdomen. Ascending colon (right colon): This is the first part of the colon. Transverse colon: This is the middle part of the colon. Descending colon (left colon): This is the third part of the colon. Sigmoid colon: This is the last part ...

2024年9月26日 · It connects to the descending colon, where the distal, or left-sided, part of the large intestine begins. Descending colon: The descending colon is about 10 cm long. Sigmoid colon: This portion of the colon is relatively S-shaped …

2023年10月30日 · The colon forms part of the large intestine and extends between the caecum and the rectum. It is about 1.5 meters in length and consists of four parts: ascending; transverse; descending; sigmoid colon; You can recognize it easily through several distinct morphological features like semilunar folds and pouches called haustra.