Anatomy Of Abdominal Wall

Many of the organs in the abdominal cavity can be palpated through the abdominal wall or their position can be visualised by surface markings. The anatomy of the abdominal wall in the study of hernias consists of the description of the anterior posterior and inguinal areas of the abdomen.

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Abdominal Wall Anatomy Lecturio - YouTube.

Anatomy of abdominal wall. Posterior Abdominal Wall The posterior abdominal wall is a complex musculoskeletal structure formed by the posterior abdominal muscles their fascia the lumbar vertebrae and the pelvic girdle. The abdominal wall from superficial to deep consists of skin subcutaneous fat fascia muscle properitoneal fat and peritoneum. Three flat muscles and two vertical muscles.

INTRODUCTION 2 The anterior abdominal wall constitutes a hexagonal area Superiorly by the costal margins and xiphoid process Laterally by the midaxillary line and Inferiorly by the iliac crests pubis and pubic symphysis. The pelvis and the pelvic floor muscles seal the abdominal and pelvic cavity in a caudal direction. It is usually located midway between the xiphoid process and the pubis symphysis.

The lower six thoracic nerves pierce the posterior wall of the rectus. Anatomy of the Inguinocrural Area The surgical space called the Fruchaud triangle is an opening of the lower abdominal wall bounded by the conjoint tendon the iliopubiana branch the rectus abdominis and the iliopsoas. Enumerate the layers of anterior abdominal wall.

The abdominal wall surrounds the abdominal cavity providing it with flexible coverage and protecting the internal organs from damage. Prajwal R K Dept. It runs superiorly from the xiphoid process and costal cartilages of the 7th 8th 9th and 10th ribs to the iliac crest inguinal ligament anterior superior iliac spine pubic tubercle pubic crest and pubic symphysis inferiorly.

The umbilicus is the most visible structure of the abdominal wall and is the scar of the site of attachment of the umbilical cord. There is a common set of layers covering and forming all the walls. This triangle is divided by the inguinal ligament into two topographical regions.

The inferior borders are the symphysis. The supe-rior border is the costal margin and xiphoid process with the lateral bor-ders being the midaxillary lines. 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.

Knowledge of the anatomy and func tion of the abdominal wall is the cornerstone for successful hernia re-pairs based on restoring abdominal wall form and function. This video Abdominal Wall is part of the Lecturio course Abdominal Wall - Anatomy WATCH the complete course on httplecturio. The abdominal wall is split into the anterolateral and posterior walls.

The thoracic nerves are the lower five intercostal nerves and the subcostal nerves First lumbar nerve is represented by the iliohypogastric and ilioinguinal nerves branches of the lumbar plexus They supply the skin of the anterior abdominal wall the muscles and the parietal peritoneum. The anterior abdominal wall is a hexagon-shaped area. The posterior abdominal wall is supported by the 12th thoracic vertebrae T12 and the lumbar spine L1-L5.

The outermost muscular layer of the lateral abdominal wall is made up from the external oblique muscles. The abdominal wall consists of five paired muscles. They combine with the spinal column to give the midsection its structure.

Layers of anterior abdominal wall are. 4 Structure of the Anterior Abdominal Wall a Identify and describe the layers of the anterior abdominal wall from superfi cial to deep skin Campers fascia Scarpas fascia deep investing fascia abdominal muscles tranversalis fascia extraperitoneal fascia parietal peritoneum 5 Vasculature. Of General surgery KIMS Bengaluru 2.

Hernia and Abdominal wall repair represents one of the surgical environments where knowledge is the real key to success not the dissection of anatomic plane as happens in general surgery but the correct and effective use of anatomic structures represents the true ability of hernia surgeons. The three flat muscles are the external oblique internal oblique and the transversus abdominis. In the cranial direction the abdominal cavity is bordered by the diaphragm.

The abdominal muscles cover the front and sides of the abdomen known clinically as the anterolateral area. Abdominal Wall and Inguinal Region The abdominal cavity and pelvic cavity are surrounded by muscles of the abdominal wall. The abdominal wall is mainly made up of muscles and the tissues that support them.

The two vertical muscles are the rectus abdominis and pyramidalis. Outer fatty layer Campers fascia Inner membranous layer Scarpas fascia Muscles arranged in three layers External oblique. It is bounded superiorly by the xiphoid process and costal margins posteriorly by the vertebral column and inferiorly by the pelvic bones and inguinal ligament.

They support it help keep you upright and assist with breathing. In anatomy the abdominal wall represents the boundaries of the abdominal cavity. 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.

ANATOMY OF ANTERIOR ABDOMINAL WALL Presented By Dr. This is the superficial investment layer of the underlying muscle Fig. NERVE SUPPLY The nerves of the anterior abdominal wall are the anterior rami of the lower six thoracic and the first lumbar nerves.

Once the skin and fat are dissected away the gray-white glistening fascia comes into view see Fig. This includes Inguinal Region also. These two muscles arise from the outer parts of the lower 7 to 8 ribs on either side and extends anteroinferiorly to the anterior aspect of the iliac crests pubic tubercle and to the linea alba in the midline.

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