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A hernia is caused by the protrusion of a viscus (in the case of groin hernias, an intra-abdominal organ) through a weakness in the abdominal wall.This weakness may be inherent, as in the case of inguinal, femoral and umbilical hernias.
The femoral sheath is funnel-shaped fascial structure, [1] with the wide end directed superior-ward. [citation needed] The femoral sheath is formed by an inferior-ward prolongation - posterior to the inguinal ligament - of abdominal fascia, with transverse fascia being continued down anterior to the femoral vessels, and iliac fascia posterior to these.
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]
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 ...
Extraperitoneal fascia (also: endoabdominal fascia or subperitoneal fascia) is a fascial plane – consisting mostly of loose areolar connective tissue – situated between the fascial linings of the walls of the abdominal and pelvic cavities (transversalis fascia, anterior layer of thoracolumbar fascia, iliac fascia, and psoas fascia) externally, and the parietal peritoneum internally.
Abdominal fascia refers to the various types of fascia found in the abdominal region. Fascia is a sheet of connective tissue that is found beneath the skin that attaches, stabilizes, encloses, and separates muscles and other internal organs. Everyone has fascia, as it is part of how the human body is composed. Fascia is organized by layer, and ...
The deep inguinal ring, which is the beginning of the inguinal canal, remains as an opening in the fascia transversalis, which forms the fascial inner wall of the spermatic cord. When the opening is larger than necessary for passage of the spermatic cord, the stage is set for an indirect inguinal hernia.
Typically, fatty tissue is the initial entrant into a hernia, but it might also involve an organ. Hernias are caused by a disruption or opening in the fascia, or fibrous tissue, which forms the abdominal wall. It is possible for the bulge associated with a hernia to come and go, but the defect in the tissue will persist.