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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 ...
(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 ...
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.
The retroperitoneum or retroperitnium is an anatomical region that includes the peritoneum-covered organs and tissues that make up the posterior wall of the abdominal cavity and the pelvic space - which extends behind to the abdominal cavity. Definitions vary and can also can include the region of the wall of the pelvic basin.
Anatomy photo:35:13-0101 at the SUNY Downstate Medical Center - "Anterior Abdominal Wall: The Posterior Wall of the Rectus Sheath" Anatomy image:7113 at the SUNY Downstate Medical Center; Anatomy image:7573 at the SUNY Downstate Medical Center; rectussheath at The Anatomy Lesson by Wesley Norman (Georgetown University) Rizk N (1991).
In human anatomy, the mesentery is an organ that attaches the intestines to the posterior abdominal wall, consisting of a double fold of the peritoneum.It helps (among other functions) in storing fat and allowing blood vessels, lymphatics, and nerves to supply the intestines.
Atlas image: abdo_wall70 at the University of Michigan Health System - "Posterior abdominal wall, dissection, anterior view" Anatomy photo:35:05-0102 at the SUNY Downstate Medical Center - "Anterior Abdominal Wall: The Iliohypogastric and IlioInguinal Nerves" Anatomy photo:40:17-0102 at the SUNY Downstate Medical Center - "Posterior Abdominal ...
The thoracolumbar fascia (lumbodorsal fascia or thoracodorsal fascia) is a complex, [1]: 1137 multilayer arrangement of fascial and aponeurotic layers forming a separation between the paraspinal muscles on one side, and the muscles of the posterior abdominal wall (quadratus lumborum, and psoas major [1]: 1137 ) on the other.