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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 ...
Definitions vary and can also can include the region of the wall of the pelvic basin. The portion of the retroperitoneum that is posterior wall of the abdomen and superior to the iliac vessels is of importance in gynecological oncology. [1] This is the region where para-aortic and paracaval lymphadenectomies are done.
Quadrants of the abdomen Diagram showing which organs (or parts of organs) are in each quadrant of the abdomen. The left lower quadrant (LLQ) of the human abdomen is the area left of the midline and below the umbilicus. The LLQ includes the left iliac fossa and half of the left flank region. The equivalent term for animals is left posterior ...
(Peritoneum is labeled at center right.) Sagittal section through posterior abdominal wall, showing the relations of the capsule of the kidney (pararenal fat labeled as paranephric body center left) Perirenal space. It is also called the perinephric space. Bounded by the anterior and posterior leaves of the renal fascia. It contains the ...
A hernia that exits the abdominal cavity directly through the deep layers of the abdominal wall, thereby bypassing the inguinal canal, is known as a direct inguinal hernia. In males with strong presentation of the cremasteric reflex , the testes can—during supine sexual activity or manual manipulation—partially or fully retract into the ...
The right and left paracolic gutters are peritoneal recesses on the posterior abdominal wall lying alongside the ascending and descending colon. The main paracolic gutter lies lateral to the colon on each side.
The abdominal cavity is a large body cavity in humans [1] and many other animals that contain organs. It is a part of the abdominopelvic cavity . [ 2 ] It is located below the thoracic cavity , and above the pelvic cavity .
Muscles of the posterior abdominal wall. The posterior abdominal wall is formed by the lumbar vertebrae, parts of the ilia of the hip bones, psoas major and iliacus muscles, and quadratus lumborum muscle. This part of the core plays a key role in stabilizing the rest of the body and maintaining posture.