What is the mesocolon?

The mesocolon or mesentery of the sigmoid colon provides a major avenue for spread of disease between the abdominal cavity and the pelvis. It is directly continuous with the posterior bare area of the colon, the bare area of the rectum, and in females, the broad ligament.

What is the role of the mesocolon?

The mesentery secretes serous fluid, creating lubrication to prevent friction between the internal organs. It is also responsible for holding the abdominal organs in place. True mesenteries connects abdominal organs to the posterior wall of the abdominal cavity.

Where is the mesocolon located?

The folded membrane of PERITONEUM by which the colon is suspended from the inside of the back wall of the abdomen.

What is sigmoid colon and its function?

The sigmoid colon is the last section of the bowel — the part that attaches to the rectum. It’s about a foot and a half long (around 40 centimeters) and is shaped like the letter “s.” Its job is to hold feces until you’re ready to go to the bathroom. The sigmoid contains a lot of muscle tissue.

What is the white line of toldt?

Toldt white line is intended as either the whitish line of lateral peritoneal reflection along the outer edge of the ascending and descending colon (see picture) or the junction of parietal peritoneum with Denonvilliers fascia.

What organ does the mesentery attached to?

intestines
The mesentery attaches your intestines to the wall of your abdomen. This keeps your intestines in place, preventing it from collapsing down into your pelvic area.

Can the mesentery be removed?

Regardless of how the mesentery is classified it is an important part of the human body and integral to the health of the intestines and gastrointestinal tract. While parts of the mesentery may be removed due to illness or injury, removing the entire mesentery is not possible.

What organs are covered by mesentery?

Mesentery, a continuous folded band of membranous tissue (peritoneum) that is attached to the wall of the abdomen and encloses the viscera. In humans, the mesentery wraps around the pancreas and the small intestine and extends down around the colon and the upper portion of the rectum.

Can sigmoid colon be removed?

Sigmoidectomy surgery removes all or part of the sigmoid colon – the S-shaped part of the large intestine just before the rectum. Where possible the two healthy ends of the intestinal tract are then rejoined.

How long is a sigmoid colon?

The average length of the sigmoid colon is 25 to 40 cm (10 to 15.75 in). The sigmoid colon is an “S” shaped portion of the large intestine that begins in front of the pelvic brim as a continuation of the descending colon and becomes the rectum at the level of the third sacral vertebrae.

Why is the white line of toldt surgical significance?

The white line of Toldt represents the avascular plane for incision and is the anterior confluence of the colonic visceral peritoneum with the parietal peritoneum of the lateral abdominal wall.

Why are kidneys retroperitoneal organs?

There is also fat tissue, called perirenal fat, that surrounds the kidneys for protection. The kidneys are considered “retroperitoneal” organs, which means they sit behind a lining in the abdominal cavity, unlike all other abdominal organs.

Where is the mesocolon located in the sigmoid colon?

It is intraperitoneal (unlike the rectum, ascending and descending colon, which are retroperitoneal) and is covered in mesentery, i.e. the sigmoid mesocolon. The mesentery is long in the center of the sigmoid colon, allowing it a significant range of mobility.

Where can I find a definition of mesocolon?

Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia. the peritoneal process attaching the colon to the posterior abdominal wall, and called ascending, descending, or transverse, according to the portion of the colon to which it attaches.

What does it mean to have pain in the sigmoid colon?

Written by Bel Marra Health Published on March 20, 2018. Here we look at what the sigmoid colon is and what causes pain in this part of the body. The sigmoid colon, or as some experts call it, the pelvic colon, is a section of the large intestine that connects the descending colon to the rectum. It helps to flow waste from the colon to the rectum.

What kind of tests are done for the sigmoid colon?

What tests are done to assess the sigmoid colon? 1 Colonoscopy. Colonoscopies allow your doctor to check the health of your colon. 2 Sigmoidoscopy. A sigmoidoscopy lets a doctor check just the sigmoid part of your intestine, using a slender tube with a light source and camera attached to it. 3 Biopsy. 4 Surgery.