peritoneum ii
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Peritoneum II
To -MBBS 2nd YearDr Laxman Khanal
Asst prof. department of AnatomyBPKIHS, Dharan
06-09-2016
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Q. All are the derivatives of dorsal mesogastrium excepta. Greater omentumb. Gastro splenic ligamentc. Splenorenal ligamentd. Lesser omentum
Q. Which of the following organ is secondary retroperitoneal organ?a. Kidneyb. Suprarenal glandc. Abdominal aortad. Duodenum
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Q. Most dependent peritoneal space in supine position is-a. Pouch of Douglasb. Lesser sacc. Pouch of Morrisond. Rectovesicle pouch
Q. All of the following structure form the posterior boundary of Epiploic foramen except.a. IVCb. Rt suprarenal glandc. Lt suprarenal glandd. T12 vertebra
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Lesser Sac
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Parts of lesser sac1. Superior recess2. Inferior recess3. Splenic recess4. Omental bursa
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Lesser sac
Position: Behind the lesser omentum and stomachWalls• Superior-peritoneum which covers the caudate lobe of
liver and diaphragm
• Anterior: lesser omentum, peritoneum of posterior wallof stomach, and anterior two layers of greater omentum
• Inferior: Continuative area of anterior and posterior twolayers of greater omentum
• Posterior: Posterior two layers of greater omentum,transverse colon and transverse mesocolon, peritoneumcovering pancreas, left kidney and suprarenal gland
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Supra and infracolic compartment
• The transverse mesocolon divides the abdominalcavity into a supracolic compartment, containing thestomach, liver, and spleen, and an infracoliccompartment, containing the small intestine andascending and descending colon.
• The infracolic compartment is divided into right andleft infracolic spaces by the mesentery of the smallintestine.
• Free communication occurs between the supracolicand the infracolic compartments through theparacolic gutters
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Supracolic
• Rt/Lt subphrenic space
• Right subhepatic space (hepatorenal pouch)
• Left subhepatic space
(Lesser Sac)
Infracolic
• Rt/Lt infracolic space
• Paracolic gutters
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Subphrenic space
Subhepatic space
• Rt/Lt subphrenic space
• Right subhepatic space (hepatorenal pouch)
• Left subhepatic space
(Lesser Sac)
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Rt subhepatic space(Hepatorenal pouch)
Lt subhepatic space(Lesser Sac)
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Inf layer of coronary ligaments
Open to Rt paracolicgutter
Rt lobe of liver Rt Kidney
Morrison’s PouchHepatorenal pouchRt subhepatic pouch
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• Most dependent part of the peritoneal cavity in supineposition
• Most common site of subphrenic abscess
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Infracoliccompartment
• Rt/Lt infracolic space
• Paracolic gutters
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Pelvic part of peritoneal cavity
• Vesicouterine pouch• Rectouterine pouch
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• Most dependent part in sitting or standing position.
• Most common site of pelvic abscess.
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Peritoneal recesses
• These are small spaces of peritoneal cavitywith in large peritoneal cavity. These areguarded by folds which contain blood vessel.
• Duodenal recesses• Caecal recess• Intersigmoid recesses
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• Duodenal recesses
• Exist around the fourth part of the duodenum and theduodenojejunal junction forming a number of named recesses.
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Paracecal recess
• Superior ileocecal recess (ant cecal artery)
• Inferior ileocecal recess (avascular)
• Retrocecal recess (contains appendix)
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Urachus
Umb artery
Inf Epigastric vesses
Folds and fossa of anterior abdominal wall
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Folds and fossas of anterior abdominal wall
• Median umbilical fold -contain the remnant ofurachus (median umbilicalligaments)
• Medial umbilical fold -contains remnants of theumbilical arteries (medialumbilical ligaments)
• Lateral umbilical foldcontains the inferiorepigastric vessels
Supravesical fossa
Medial inguinal fossa
Lateral inguinal fossa
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Sites of paracentesis
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Peritoneal dialysis VP Shunt
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