Retroperitoneum Flashcards
The peritoneum is the ____ membrane that forms the lining of the ____ and covers most of the abdominal organs.
serous
abdominal cavity
What are the 2 layers of the peritoneum
Parietal (outer layer)
Visceral (inner layer)
The parietal layer does what?
lines the abdominal wall
The visceral layer does what?
covers the abdominal organs
Between the parietal and visceral peritoneum is a space containing ____ fluid. This space is called the ____.
serous
peritoneal cavity
What organs are in the peritoneal cavity?
It is not inhabited by any organs! The organs lie in the abdominal cavity, which is enclosed or surrounded by the peritoneum.
During digestion, the organs are able to move and expand, essentially without friction, because of the ____.
lubricating peritoneal fluid
The peritoneal fluid contains ____ and ____ to ward off infection.
leukocytes
antibodies
The peritoneal cavity is ____ and essentially closed to the outside environment. In males, this potential space is completely ____ (open/closed).
sterile
closed
In females there is a communication pathway from the abdominal cavity to the outside world, via the (3). This communication creates potential vulnerability to ____.
uterine tubes
uterine cavity
vagina
infection
The peritoneal cavity contains 2 separate compartments:
lesser sac
greater sac
Lesser sac:
The space that is situated between the ____, ____, and stomach. The entrance to the lesser sac is the ____.
liver
pancreas
epiploic foramen
Greater Sac:
This is the rest of the ____ cavity. When you are imaging ____ with floating bowel, you are looking in the greater sac area.
peritoneal cavity
ascites
The RETROperitoneum is a ____ compartment that lies between the ____ and the ____.
posterior
transversalis fascia
parietal peritoneum
This lining circles the inner abdomen.
transversalis fascia
Borders of the retroperitoneum:
Superior border = \_\_\_\_ Inferior border = \_\_\_\_ Anterior border = \_\_\_\_ Posterior border = \_\_\_\_ Lateral border = \_\_\_\_
diaphragm pelvic rim parietal peritoneum posterior abdominal wall muscles trasversali fascia and peritoneal portions of the mesentery
2 layers of renal fascia (AKA _____ fascia) divide the retroperitoneum coronally into 3 compartments/spaces:
Gerota’s
perirenal space
anterior pararenal space
posterior pararenal space
Kidneys and adrenal glands lie within the ____ space and are separated from the pararenal spaces by the ____ and ____ renal fascia (AKA ____ fascia).
perirenal
anterior and posterior
Gerota’s
Space separated from the pararenal space by Gerota’s fascia.
perirenal space
The perirenal space includes the (8):
kidneys adrenal glands perinephric fat ureters renal vessels AO IVC lymph nodes
Fat area between the peritoneum and Gerota’s fascia.
anterior pararenal space
The anterior pararenal space includes the (5):
pancreas descending portion of the duodenum ascending & descending colon superior mesenteric vessels inferior portion of the CBD
Space between Gerota’s fascia and the posterior abdominal wall muscles.
posterior pararenal space
The posterior pararenal space includes the (4):
Iliopsoas muscle
quadratus lumborum muscle
posterior abdominal wall
fat