Peritoneum Flashcards
Which four paired muscles form the anterolateral abdominal wall?
External oblique
Internal oblique
Transversus abdominus
Rectus abdominis
What is the superior limit of the abdominal cavity?
thoracic diaphragm
What is the inferior limit of the abdominal cavity
pelvic cavity
Which 3 sections is the GI tract split into?
Foregut
Midgut
Hindgut
What lines the inside of the abdominal cavity?
peritoneal membrane
What is the term for two layers of posterior peritoneum joined together?
dorsal mesentry
What is the parietal peritoneum?
Layer of peritoneum lining the abdominal wall, pelvic wall and inferior surface diaphragm
What is the visceral peritoneum?
Layer of peritoneum that specifically covers a viscus (organ).
The parietal and visceral layers of peritoneum are continuous, just like the pleura.
What does retroperitoneal mean?
Situated outside the peritoneum , in contact with body wall (but intra-abdominally) eg. kidneys
What does intraperitoneal mean?
Suspended from the abdominal wall by a double layered fold of peritoneum.
What is the thing that anchors the jejunum and ileum called?
The Mesentery
What is the mesentery of the transverse colon called?
Transverse mesocolon
Which parts of the intestines don’t have a mesentry?
ascending and descending colon
have now become secondarily retroperitoneal
(pushed to side in development by small intestines)
What is the greater sac?
Main peritoneal cavity.
This, in turn, is subdivided into supracolic and infracolic compartments.
What is the lesser sac?
Recess of peritoneal cavity between stomach and posterior abdominal wall.
The greater and lesser sacs are linked by the epiploic foramen (of Winslow)
