Peritoneum Flashcards
What is the peritoneum?
a thin transparent serous membrane lining abdominopelvic cavity and clothing the viscera
Describe the layers of the peritoneum?
- parietal - lines abdominal wall
2. visceral - closely covers viscera
What is the peritoneal cavity?
potential space between the parietal and visceral peritoneum filled with peritoneal fluid
Function of peritoneal fluid?
the serous fluid lubricates peritoneal surfaces - facilitates free movement between viscera
What is extraperitoneal tissue?
layers of connective tissue between parietal peritoneum and the abdominal wall - has fat
Where is the abdominopelvic cavity located?
between thoracic diaphragm and pelvic diaphragm
What are the 2 transverse planes?
- subcostal - passing through the inferior limits of the costal margin : 10th costal cartilages 2. transtubercular plane - passes through the iliac tubercles
What are the 2 vertical planes?
midclavicular planes
What are the 6 regions the cavity is divided into by the planes?
- right and left hypochondriac 2. epigastric 3. umblical 4. pubic 5. right and left lumbar 6. right and left inguinal
What are the retroperitoneal organs?
- Part of Duodenum 2. ascending colon 3. descending colon 4. pancreas 5. kidneys 6. ureters 7. IVC 8. aorta
What are the intraperitoneal organs?
- stomach 2. spleen 3. jejunum
Describe the peritoneal cavity in males?
closed
Describe the peritoneal cavity in females?
peritoneal cavity communicates with exterior through uterine tubes, uterus and vagina
Describe the greater sac?
the main peritoneal cavity - surgical incision through anterior abdominal wall enters this sac
Describe the lesser sac?
recess posterior to the stomach
What is the omental foramen? (foramen of Winslow)
links greater and lesser sacs