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Which quadrant is the abdomen is the descending colon located?
The descending colon is primarily located in the left lower quadrant of the abdomen. It extends downward from the transverse colon and continues into the sigmoid colon. In some cases, a portion of the descending colon may also be found in the left upper quadrant, depending on individual anatomy.
What is this s shaped part of the colon called?
The sigmoid colon (pelvic colon) is the part of the large intestine that is closest to the rectum and anus. It forms a loop that averages about 40 cm in length, and normally lies within the pelvis, but on account of its freedom of movement it is liable to be displaced into the abdominal cavity.
What are the four quadrants of the abdominal region?
Right upper quadrant - liver: right lobe, gallbladder, stomach: pylorus, doudenum: part 1-3, pancreas: head, right suprarenal gland, right kidney, right colic (hepatic) flexure, ascending colon: superior part, transverse colon: right half Left upper quadrant - liver: left lobe, spleen, stomach, jejunum and proximal ileum, pancreas: body and tail, left kidney, left suprarenal gland, left colic (splenic) flexure, transverse colon: left half, descending colon: superior half Right lower quadrant - cecum, vermiform appendix, most of ileum, ascending colon: inferior part, right ovary, right uterine tube, right ureter: abdominal part, right spermatic cord: abdominal part, uterus (if enlarged), urinary bladder (if very full) Left lower quadrant - sigmoid colon, descending colon: inferior part, left ovary, left uterine tube, left ureter: abdominal part, left spermatic cord: abdomianl part, uterus (if enlarged), urinary bladder (if very full)
What is tethering of sigmoid colon?
Tethering of the sigmoid colon refers to the abnormal fixation or attachment of the sigmoid colon to surrounding structures, which can occur due to inflammation, scarring, or surgical interventions. This condition may restrict the movement of the colon and lead to symptoms such as abdominal pain, constipation, or obstruction. Tethering can complicate surgical procedures and may require intervention if it causes significant discomfort or complications. Diagnosis typically involves imaging studies and clinical evaluation.
What does sigmoid mean in anatomy?
In anatomy, sigmoid typically refers to the S-shaped curve that is found in various structures of the body, such as the sigmoid colon in the large intestine. The term sigmoid is often used to describe structures that exhibit this distinctive S-shape.
Which term describes the fourth major division of the colon?
sigmoid
What are the four quadrants of the body?
Using the median plane (vertically) and the transumbilical plane (horizontally), the abdomen is divided into four quadrants:Right Upper Quadrant (RUQ)Left Upper Quadrant (LUQ)Right Lower Quandrant (RLQ)Left Lower Quandrant (LLQ)Very briefly, some of the major structures/organs contained within each are:RUQ = most of the liver, gallbladderLUQ = spleen, most of the stomachRLQ = appendixLLQ = sigmoid colon
What is a sigmoid fixation?
A sigmoid fixation is a surgical technique used in the treatment of sigmoid volvulus, a condition where the sigmoid colon twists, leading to obstruction. This procedure typically involves detorsion of the twisted bowel and may include a fixation of the sigmoid colon to the lateral abdominal wall to prevent recurrence. It aims to alleviate symptoms and restore normal bowel function while minimizing the risk of future episodes.
What is this s shaped part of the colon called?
The sigmoid colon (pelvic colon) is the part of the large intestine that is closest to the rectum and anus. It forms a loop that averages about 40 cm in length, and normally lies within the pelvis, but on account of its freedom of movement it is liable to be displaced into the abdominal cavity.
What are the four quadrants of the abdominal region?
Right upper quadrant - liver: right lobe, gallbladder, stomach: pylorus, doudenum: part 1-3, pancreas: head, right suprarenal gland, right kidney, right colic (hepatic) flexure, ascending colon: superior part, transverse colon: right half Left upper quadrant - liver: left lobe, spleen, stomach, jejunum and proximal ileum, pancreas: body and tail, left kidney, left suprarenal gland, left colic (splenic) flexure, transverse colon: left half, descending colon: superior half Right lower quadrant - cecum, vermiform appendix, most of ileum, ascending colon: inferior part, right ovary, right uterine tube, right ureter: abdominal part, right spermatic cord: abdominal part, uterus (if enlarged), urinary bladder (if very full) Left lower quadrant - sigmoid colon, descending colon: inferior part, left ovary, left uterine tube, left ureter: abdominal part, left spermatic cord: abdomianl part, uterus (if enlarged), urinary bladder (if very full)
What are the quadrants of the abdominal?
Right upper quadrant - liver: right lobe, gallbladder, stomach: pylorus, doudenum: part 1-3, pancreas: head, right suprarenal gland, right kidney, right colic (hepatic) flexure, ascending colon: superior part, transverse colon: right half Left upper quadrant - liver: left lobe, spleen, stomach, jejunum and proximal ileum, pancreas: body and tail, left kidney, left suprarenal gland, left colic (splenic) flexure, transverse colon: left half, descending colon: superior half Right lower quadrant - cecum, vermiform appendix, most of ileum, ascending colon: inferior part, right ovary, right uterine tube, right ureter: abdominal part, right spermatic cord: abdominal part, uterus (if enlarged), urinary bladder (if very full) Left lower quadrant - sigmoid colon, descending colon: inferior part, left ovary, left uterine tube, left ureter: abdominal part, left spermatic cord: abdomianl part, uterus (if enlarged), urinary bladder (if very full)
Which term describes the third major division of the large intestine?
The Sigmoid Colon It forms a loop that averages about 40 cm. in length,
What is sigmoid diverticular disease?
Sigmoid diverticular disease is a condition where small pouches form in the wall of the sigmoid colon (a part of the large intestine). These pouches, called diverticula, can become inflamed or infected, leading to symptoms like abdominal pain, bloating, and changes in bowel habits. Treatment may involve dietary modifications, medications, or in severe cases, surgery.
What is sigmoid cancer?
its cancer in the colon. sigmoid is part of the colon.
What is tethering of sigmoid colon?
Tethering of the sigmoid colon refers to the abnormal fixation or attachment of the sigmoid colon to surrounding structures, which can occur due to inflammation, scarring, or surgical interventions. This condition may restrict the movement of the colon and lead to symptoms such as abdominal pain, constipation, or obstruction. Tethering can complicate surgical procedures and may require intervention if it causes significant discomfort or complications. Diagnosis typically involves imaging studies and clinical evaluation.
What is the function of sigmoid flexure?
Sigmoid colonThe sigmoid colon is the part of the large intestine after the descending colon and before the rectum. The name sigmoid means S-shaped (see sigmoid). The walls of the sigmoid colon are muscular, and contract to increase the pressure inside the colon, causing the stool to move into the rectum.The sigmoid colon is supplied with blood from several branches (usually between 2 and 6) of the sigmoid arteries, a branch of the IMA. The IMA terminates as the superior rectal artery.
What is redundant sigmoid colon?
Following prelonged dilation of the sigmoid colon the walls of the bowel become lax and the muscle fibres within lose there ability to contract. thus the peristaltic function of the bowel is lost, often leading to chronic constipation and propendity to volvulus.
