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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 ...
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.
The boundary of the abdominal cavity is the abdominal wall in the front and the peritoneal surface at the rear. In vertebrates, the abdomen is a large body cavity enclosed by the abdominal muscles, at the front and to the sides, and by part of the vertebral column at the back. Lower ribs can also enclose ventral and lateral walls.
Anatomy figure: 35:04-02 at Human Anatomy Online, SUNY Downstate Medical Center - "Incisions and the contents of the rectus sheath." Anatomy photo:35:10-0103 at the SUNY Downstate Medical Center - "Anterior Abdominal Wall: The Rectus Abdominis Muscle" Anatomy image:7180 at the SUNY Downstate Medical Center - anterior layer
The transversalis fascia (or transverse fascia) is the fascial lining of the anterolateral abdominal wall [1] [2] situated between the inner surface of the transverse abdominal muscle, and the preperitoneal fascia. [3] [2] It is directly continuous with the iliac fascia, [2] the internal spermatic fascia, [citation needed] and pelvic fascia. [2]
It is named for Italian anatomist Antonio Scarpa. [2] His description of the membranous superficial fascia is vague in his 1809 hernia monograph. [3] Life-size illustrations included by Scarpa do not identify the layer even though some show all the other anatomical layers of the abdominal wall in the inguinal region.
The linea alba is formed by the union of aponeuroses (of the muscles of the anterior abdominal wall [2]) that collectively make up the rectus sheath. The linea alba attaches to the xiphoid process superiorly, and to the pubic symphysis inferiorly. It is narrow inferiorly where the two recti abdominis muscles are in contact with each other ...
Abdominal muscles cover the anterior and lateral abdominal region and meet at the anterior midline. These muscles of the anterolateral abdominal wall can be divided into four groups: the external obliques , the internal obliques , the transversus abdominis , and the rectus abdominis .