Anatomy Of Abdomen Wall

Five pairs of thoracoabdominal nerves continue from. Three flat muscles and two vertical muscles.

Regions And Planes Of The Abdomen Overview Abdominal Skin

The muscles of the anterolateral abdominal wall can be divided into two main groups.

Anatomy of abdomen wall. The rectus sheath is a strong fibrous sheath around the rectus abdominis. The abdominal wall is defined cranially by the xiphoid process of the sternum and the costal margins and caudally by the iliac and pubic bones of the pelvis. In this tutorial i cover the various different layers that a needle passes through when inserted into the abdominal wall from the skin down to the peritoneum.

The skin is the most superficial layer of the anterior abdominal wall. At the level of the pelvic bones the abdomen ends and the pelvis begins. The borders of the abdominal cavity are comprised of the posterior peritoneal surface the anterior abdominal wall the inferior pelvic inlet and the superior thoracic diaphragm.

The anatomy of the abdominal wall thoracoabdominal nerves. In anatomy the abdominal wall represents the boundaries of the abdominal cavity. These nerves run from the 2nd and 3rd lumbar spinal nerves.

The muscles of the abdomen work together to protect the internal organs viscera by covering them completely and are made up of the muscles of the anterolateral abdominal wall and the muscles of the posterior abdominal wall. Anterior abdominal wall regions and quadrants. The diaphragm forms the upper surface of the abdomen.

There is a common set of layers covering and forming all the walls. The abdomen contains organs involved in the gastrointestinal tract including the oesophagus stomach small intestine cecum appendix colon rectum and the anal canal. The abdomen contains all the digestive organs including the stomach small and large intestines pancreas liver and gallbladder.

Vertical muscles two vertical muscles situated near the mid line of the body. The abdominal wall consists of five paired muscles. Flat muscles three flat muscles situated laterally on either side of the abdomen.

The two vertical muscles are the rectus abdominis and pyramidalis. Lateral cutaneous nerves of the thigh. It extends to the lumbar spine which joins the thorax and pelvis and is a point of attachment for some abdominal wall structures.

Join the facebook page for updates. The abdomen functions to house the digestive system and provides muscles essential for posture balance and breathing. The abdominal wall is split into the anterolateral and posterior walls.

The deepest being the visceral peritoneum which covers many of the abdominal organs and the parietal peritoneum which covers the visceral peritoneum below it the extraperitoneal fat the transversalis fascia the internal and external oblique and transversus abdominis apone. The anterior abdominal wall is highly distensible. These nerves come from the 2nd through 4th lumbar spinal nerves.

The three flat muscles are the external oblique internal oblique and the transversus abdominis.

Rectus Abdominis Muscle Abdomen Anatomy Human Body Abdominal