Abdominal & Peritoneal Cavity

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Author:
mnm2186
ID:
35180
Filename:
Abdominal & Peritoneal Cavity
Updated:
2010-09-19 18:50:55
Tags:
Anatomy
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Description:
Exam 3
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  1. Extent of abdominal cavity
    • 4th intercostal space
    • Pelvic inlet
  2. What lines the abdominal cavity?
    Parietal peritoneum
  3. Origin of greater omentum
    Derived from developing dorsal mesentery
  4. Origin of lesser omentum
    Derived from developing ventral mesentary
  5. Lateral mesoderm splits into:
    • Somatic mesoderm
    • (Forms parietal peritoneum)
    • Splanchnic mesoderm
    • (Forms CT / gut m. / visceral peritoneum)
  6. Mesentaries are formed by _______
    2 layers of splanchnic mesoderm (visceral peritoneum)
  7. Mesothelium
    Lining of squamous cells in the peritoneum that secrete a serous fluid
  8. What forms the mesenteries, omenta, and abdominal ligaments?
    Visceral peritoneum
  9. Viscera are found _______ the abdominal cavity and ______ the peritoneal cavity
    • Within abdominal cavity
    • Outside peritoneal cavity
  10. Intraperitoneal organs are surrounded or nearly surrounded by _______ peritoneum
    Visceral
  11. How are retroperitoneal organs covered?
    Covered by peritoneum on their anterior surface only
  12. How do organs become secondarily retroperitoneal
    Organs lose their mesenteries during development and are pushed against posterior body wall
  13. Blood supply / innervation of parietal peritoneum
    Same as the body wall
  14. Blood supply / innervation to the visceral peritoneum
    Same as the organs it invests
  15. Suspends liver from diaphragm
    Ant. / Post. Coronary ligament
  16. Divisions of peritoneal cavity
    • Greater sac
    • Lesser sac (omental bursa)
  17. Opening into the omental bursa
    Epiploic foramen (foramen of winslow)
  18. Posterior wall of epiploic foramen
    IVC (peritoneally-covered)
  19. Anterior wall of epiploic foramen
    Hepatoduodenal ligament
  20. Hepatogastric ligament
    • Forms lesser omentum
    • Bounded laterally by hepatoduodenal ligament
  21. Gastrocholic ligament
    Forms greater omentum
  22. Hepatoduodenal ligament
    • Doorway to omental bursa
    • Contains the portal triad
  23. Gastrolienal ligament
    • (gastrosplenic ligament)
    • Attaches spleen to the stomach
    • Contains BVs that go from the splenic a. into greater curve of stomach
  24. Lienorenal ligament
    • (splenorenal ligament)
    • Attaches spleen to left kidney
  25. Where would fluid released from pancreatitis or stomach ulcer collect? Why?
    • Omental bursa
    • Pancreas is behind the lesser omentum
  26. Adult remnants of the ventral mesentary
    • Falciform ligament (contains ligamentum teres of liver)
    • Lesser omentum (free margin is hepatoduodenal ligament)
  27. Adult remnants of the dorsal mesentary
    • Greater omentum
    • - gastrocholic ligament
    • - gastrolienal ligament
    • - Lienorenal ligament
    • Mesentary proper - of small intestines
    • Sigmoid mesocolon

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