The Peritoneum (Anatomy of the Abdomen)
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Abdominal Abdominal Regions Regions Dr. Sherif Fahmy
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Transcript of The Peritoneum (Anatomy of the Abdomen)
Abdominal RegionsAbdominal Regions
Dr. Sherif Fahmy
Dr. Sherif Fahmy
PERITONEUMPERITONEUM The largest serous sac that lines The largest serous sac that lines
abdominal wall and covers abdominal abdominal wall and covers abdominal viscera. So it could be:viscera. So it could be:• 1- 1- Visceral layer:Visceral layer: cover organ. cover organ.• 2- 2- Parietal layer:Parietal layer: lines wall. lines wall.• 3- 3- Peritoneal fold:Peritoneal fold: becomes in contact becomes in contact
other peritoneal layer.other peritoneal layer.• 4- 4- Peritoneal cavity:Peritoneal cavity: It separates It separates
visceral from parietal. It is potential space.visceral from parietal. It is potential space.Dr. Sherif Fahmy
Sex differences:Sex differences:- Peritoneal sac is a closed in male but in Peritoneal sac is a closed in male but in
females it is opened by uterine tubes.females it is opened by uterine tubes.- Functions of peritoneum:Functions of peritoneum:
1- provides smooth surfaces for viscera to avoid 1- provides smooth surfaces for viscera to avoid fricction.fricction.2- Protects against infection as it contains 2- Protects against infection as it contains antibodies.antibodies.3- Allows rapid healing of abdominal wounds.3- Allows rapid healing of abdominal wounds.4- Can localize infection (policman).4- Can localize infection (policman).5- Storage of fat.5- Storage of fat. Dr. Sherif Fahmy
Parts of peritoneal sacParts of peritoneal sac It is divided into:It is divided into:
1- 1- Greater sac:Greater sac: It is the part It is the part of peritoneal sac that fills of peritoneal sac that fills most of abdominal cavity.most of abdominal cavity.2- 2- Lesser sac:Lesser sac: It is the part of It is the part of peritoneal sac that is present peritoneal sac that is present behind stomach.behind stomach.
Dr. Sherif Fahmy
Greater SacGreater Sac
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Lesser Sac Lesser Sac (Omental Bursa)(Omental Bursa)
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Boundaries of Lesser Boundaries of Lesser SacSac
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Recesses of Lesser Recesses of Lesser SacSac
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Applied AnatomyApplied Anatomy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Peritoneal FoldsPeritoneal Folds 1- Ligaments.1- Ligaments. 2- Omenta (lesser & greater).2- Omenta (lesser & greater). 3- Mesentery (folds of 3- Mesentery (folds of
intestine).intestine).
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Subphrenic SpacesSubphrenic Spaces
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Paracolic GuttersParacolic Gutters
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Umbilical FoldsUmbilical Folds
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Peritoneal RecessesPeritoneal Recesses
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Dr. Sherif Fahmy
