Peritoneal cavity: Potential space in abdomen between visceral and parietal peritoneum, usually containing only small amount of peritoneal fluid (for lubrication)
Abdominal cavity: Not synonymous with peritoneal cavity but encompasses entire space between abdominal wall musculature, below diaphragm, and above (arbitrarily) pelvic brim
Contains all intraperitoneal and retroperitoneal abdominal viscera
GROSS ANATOMY
Peritoneum
Divisions of Peritoneal Cavity
Mesentery
Omentum
Peritoneal Ligaments
Peritoneal Folds
Peritoneal Recesses
ANATOMY IMAGING ISSUES
Imaging Pitfalls
CLINICAL IMPLICATIONS
Clinical Importance
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
TERMINOLOGY
Definitions
Peritoneal cavity: Potential space in abdomen between visceral and parietal peritoneum, usually containing only small amount of peritoneal fluid (for lubrication)
Abdominal cavity: Not synonymous with peritoneal cavity but encompasses entire space between abdominal wall musculature, below diaphragm, and above (arbitrarily) pelvic brim
Contains all intraperitoneal and retroperitoneal abdominal viscera
GROSS ANATOMY
Peritoneum
Divisions of Peritoneal Cavity
Mesentery
Omentum
Peritoneal Ligaments
Peritoneal Folds
Peritoneal Recesses
ANATOMY IMAGING ISSUES
Imaging Pitfalls
CLINICAL IMPLICATIONS
Clinical Importance
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