Peritoneum and Upper Abdomen Flashcards
Peritoneum
Thin, transluscent serous membrane
Vessels travel
Parietal Peritoneum
Lines the inner abdominal wall
Visceral Peritoneum
Lines the organs
What does Retroperitoneal mean?
Behind the peritoneum
Peritoneal sac
All visceral and parietal peritoneal membranes
Peritoneal cavity
A potential space within the peritoneal sac
Contains a small amount of serous fluid to allow organs to move without friction
What medical complications can arise form the peritoneal cavity?
It can become an actual space that can contain up to several liters of fluid (ascites)
Any fluid that fills this space can herniate through the wall
Disease, injury, or infection can lead to the pooling of fluids
Greater Omentum
Peritoneal fold that attaches to the greater curvature of the stomach to the transverse colon.
Drapes over the small intestines like an apron.
Functionally can all off infections and inflammation sites.
Results in the formation of adhesions to restrict movements
Lesser Omentum
Peritoneal fold that attaches to the lesser curvature of the stomach and connects it to the liver
What are the 2 portions of the lesser omentum
Hepatogastric ligament
Hepatoduodenal ligament
Hepatogastric ligament
Connects the stomach to the liver
Hepatoduodenal ligament
Connects the duodenum to the liver
Mesentary Proper
Anchors most of the small intestines to the posterior abdominal wall
Runs diagonally from the duodenal junction to the iliocecal junction
Mesocolon
Anchors portions of the colon to the posterior abdominal wall
Why don’t the ascending and descending colons have mesentary?
They are anchored directly to the posterior wall
Transverse mesoderm
Part of the mesocolon that anchors the transverse colon to the posterior wall
Sigmoid mesocolon
Part of the mesocolon that anchors the sigmoid colon to the posterior wall
Falciform ligament
Divides the liver into right and left lobes
Anchors the liver to the diaphragm and anterior body wall
Round ligament of the liver
Inferior border of the falciform ligament
Contains the obliterated umbilical vesicle
Coronary ligament
Reflections of the peritoneum around the bare area of the liver
Attach the liver of the inferior surface of the diaphargm
Suspensory Ligament of Treitz
Fibromuscular ligament descending from the right crus of the diaphragm
Crosses over the L crus and holds the distal duodenum in place
Prevents the duodenal junction from sagging
What are the 3 umbilical folds?
Median Umbilical fold
Medial Umbilical folds
Lateral Umbilical fodls
Median Umbilical fold
Goes from the urinary bladder to the umbilicus
Covers the median umbilical ligament