abdomen general arrangement
DESCRIPTION
ABDOMEN GENERAL ARRANGEMENT. Prof. Ahmed Fathalla Ibrahim El Fouhil Professor of Anatomy College of Medicine King Saud University E-mail: [email protected]. ABDOMEN. Peritoneal cavity. Posterior abdominal wall. Anterior abdominal wall. Peritoneal fold ( Mesentery OR - PowerPoint PPT PresentationTRANSCRIPT
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ABDOMENGENERAL ARRANGEMENT
Prof. Ahmed Fathalla Ibrahim El FouhilProfessor of AnatomyCollege of MedicineKing Saud UniversityE-mail: [email protected]
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ABDOMEN
Anterior abdominal wall
Posterior abdominal wallPeritoneal cavity
Peritoneal fold (Mesentery OR Omentum)
Retroperitonealstructure
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ABDOMEN
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MUSCLES OF ANTERIOR ABDOMINAL WALL
OUTER LAYER
EXTERNAL OBLIQUE
MIDDLE LAYER
INTERNAL OBLIQUE
INNER LAYER
TRANSVERSUS ABDOMINIS
MUSCLE ENCLOSED IN A SHEATH FORMED BY APONEUROSES OF THE 3 MUSCLES
RECTUS ABDOMINIS
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POSTERIOR ABDOMINAL WALL
P.M.=Psoas major; Q.L.= Quadratus lumborum; I.=Iliacus; T.A.=Transversus abdominis
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IMPORTANT CONTENTS OF ABDOMEN
GIT: A part of esophagus Stomach Small intestine: duodenum, jejunum, ileum A part of large intestine: caecum, appendix,
ascending colon, transverse colon, descending colon
Liver, gall bladder & biliary ducts Pancreas
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IMPORTANT CONTENTS OF ABDOMENOTHER ORGANS: Spleen Kidneys, ureters & suprarenal glandsVESSELS: Vessels of GIT: celiac trunk, superior mesenteric vessels,
inferior mesenteric vessels & portal vein Large vessels: abdominal aorta & inferior vena cavaNERVES: Somatic nerves: branches of lumbar plexus Autonomic nerves: sympathetic trunks, parasympathetic (from
vagus & pelvic splanchnic nerves).LYMPHATICS
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ARRANGEMENT OF ABDOMINAL CONTENTS
LAYER ONE: PART OF GIT INVAGINATING THE PERITONEAL CAVITY (COMPLETELY SURROUNDED BY PERITONEAL CAVITY): LIVER, STOMACH, TRANSVERSE COLON, JEJUNUM & ILEUM
LAYER TWO: REST OF GIT (PARTIALLY SURROUNDED BY PERITONEUM: FRONT & SIDES) + SPLEEN
LAYER THREE: REST OF CONTENTS OF ABDOMEN (RETROPERITONEAL STRUCTURES)
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ABDOMEN - LAYER 1
OMENTUM
LIVERSTOMACH
JEJUNUM&
ILEUM
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ABDOMEN – LAYER 1
OMENTUM
JEUNUM&
ILEUM
TRANSVERSECOLON
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ABDOMEN – LAYER 2
DUODENUM
SPLEEN
PANCREAS
ASCENDING COLONDESCENDING
COLON
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ABDOMEN – LAYER 3 (IN BLACK)+ PART OF LAYER 2 (IN BLUE)
Pancreas
Left kidneyRight kidney
Abdominal aorta
Left psoas major
Inferior vena cava
Right psoas major
Duodenum
Right suprarenalgland
Left suprarenal gland
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Covered byDiaphragm
Covered byAnterior
abdominalwall
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RELATION BETWEEN EMBRYOLOGICAL ORIGIN OF GUT & ITS ARTERIAL SUPPLY
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Thank you