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The arcuate line is concave inferior-wards. [2] The arcuate line is visible upon the inner surface of the abdominal wall. [1] The arcuate line may be a well-defined, [1] [2] or may be represented by a gradual waning of the aponeurotic fibres with concomitant increasing prominence of the transversalis fascia. [2]
Below the arcuate line Below this level, the aponeuroses of all three muscles (including the transversus) pass in front of the rectus. [ 2 ] [ 3 ] The posterior layer of the rectus sheath is thus absent and the rectus abdominis muscle is separated from the peritoneum only by the transversalis fascia . [ 2 ]
In anatomy, the abdominal wall represents the boundaries of the abdominal cavity.The abdominal wall is split into the anterolateral and posterior walls. [1]There is a common set of layers covering and forming all the walls: the deepest being the visceral peritoneum, which covers many of the abdominal organs (most of the large and small intestines, for example), and the parietal peritoneum ...
Superiorly, the lateral umbilical fold ends where the vessels reach and enter the rectus sheath [1] at the arcuate line of rectus sheath; in spite of the name, the lateral umbilical folds do not extend as far superiorly as the umbilicus. [2] Inferiorly, it extends to just medial to the deep inguinal ring. [citation needed]
The rectus abdominis has many sources of arterial blood supply. Classification of the vascular anatomy of muscles: First, the inferior epigastric artery and vein (or veins) run superiorly on the posterior surface of the rectus abdominis, enter the rectus fascia at the arcuate line, and serve the lower part of
The linea terminalis or innominate line consists of the pubic crest, pectineal line (pecten pubis), the arcuate line, the sacral ala, and the sacral promontory. [ 1 ] It is the pelvic brim , which is the edge of the pelvic inlet .
The lower left abdomen pain in this case can initially be described as a mild discomfort and is typically first connected with constipation. But after 24-48 hours, it may become more severe, sharp ...
Superficial fascia is composed of two layers: the fatty outer layer, known as Camper's fascia, and the more membranous inner layer, called Scarpa's fascia. These parts of the superficial fascia are most prominent in the lower aspect of the abdominal wall below the level of the umbilicus.