Abdominal wall
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Transcript of Abdominal wall
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Abdominal Wall and Cavity
• Surface Anatomy• Muscular Wall and Hernias• Peritoneum and Mesenteries
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Iliac crest
Anterior superior iliac spine (ASIS)
Pubic crest
Inguinal ligament
Costal margin
Xiphoid process
Bony Landmarks around Abdomen
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Abdominal Wall from surface
Rectus abdominus
Linea alba
Iliac crest
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Muscles of abdominal wall
Rectus abdominus--vertical midlineThree layers form tube External oblique
(“hands-in-pocket”) Internal oblique (fibers
perpendicular to external)
Transverse abdominus (wraps around)
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Muscles of abdominal wall--details
Please see Fig. 11.11, M&M for accurate labeling.
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Muscles of Posterior Abdominal Wall
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What is inguinal canal?
Attachment where scrotum “pooches out”--carries all 3 layers of abdominal wall through successive holes
spermatic cord to testicles NAV Vas Deferens
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Abdominal muscular wall pressurizes abdomen
When? Cough Sneeze Urinate Defecate Birth Lifting
For article on abdominal muscles, role of different layers and use of lifting belts:http://www.paulchekseminars.com/articles.cfm?select=16#top
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Inguinal hernia results because pressure finds weak spot at inguinal canal
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Mesenteries, peritoneum--what is retroperitoneal?(back to basic body plan)
[board drawing]
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Peritoneal vs Retroperitoneal
Laproscopic kidney donation with retroperitoneal access
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How will you see anatomy in the future—in your jobs?
Radiological Review of Abdominal Structures—abdominal wall, abdominal organs.