Arcuate Line: What Is It, Clinical Significance - Osmosis
2022年1月19日 · The arcuate line, also known as the semicircular line of Douglas, is a curved line found posterior to the rectus abdominis muscle bilaterally, between the umbilicus and the pubic symphysis. This anatomical finding may not always be present, and its exact position may vary.
Arcuate line of rectus sheath - Wikipedia
The arcuate line of rectus sheath (the arcuate line or the semicircular line of Douglas) is a line of demarcation [1] corresponding to the free inferior margin of the posterior layer of the rectus sheath [2] inferior to which only the anterior layer of the rectus sheath is present [3] and the rectus abdominis muscle is therefore in direct ...
Anatomy, Abdomen and Pelvis, Rectus Sheath - StatPearls ...
2023年7月24日 · The arcuate line is an area of demarcation visible from the peritoneal surface of the abdominal wall, residing one-third the distance between the umbilicus and the pubis. The arcuate line can be a sharp demarcation, or it can be a gradual transition zone where the fibers of the posterior sheath gradually disappear.
Surgical Anatomy of the Abdominal Wall - Plastic Surgery Key
2017年11月7日 · The arcuate line is defined by the most inferior extension of the posterior rectus sheath, forming a crescent-shaped border. The arcuate line is generally located two fingerbreadths from the umbilicus to midway between the umbilicus and pubis.
Arcuate line | Radiology Reference Article - Radiopaedia.org
2023年3月27日 · The arcuate line or semicircular line of Douglas is located approximately halfway between the pubic crest and the umbilicus 1. It is the demarcation where the internal oblique and transversus abdominis aponeuroses of the rectus sheath start to pass anteriorly to the rectus abdominis muscle, leaving only the transversalis fascia posteriorly.
Arcuate line - clinicalanatomy.com
The arcuate line is the arch-shaped (hence the name) inferior border of the posterior sheath of the rectus abdominis muscle. This structure is seen in a laparoscopic (posterior) view (see image, label "B") and represents the transition from a superior area with well-formed aponeurotic posterior rectus sheath to an area devoid of the posterior ...
Rectus sheath: Anatomy, definition, function - Kenhub
2023年11月3日 · The line between the upper three quarters and the lower quarter of the rectus abdominis muscle is called the arcuate line. Inferior to the arcuate line, the lower quarter of the rectus abdominis muscle is covered by the rectus sheath on its anterior surface only, while the posterior surface is in direct contact with the transversalis fascia ...
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