Peritoneum and Retroperitoneum Flashcards
thorax separated from abdominopelvic cavity by the _____
diaphragm
peritoneal cavity is separated from the retroperitoneal cavity by the ____
peritoneal membrane
peritoneal membrane produces ___
serous fluid
peritoneal membrane contains (4)
fat
blood vessels
lymphatics
nerves
peritoneal membrane creates (2)
ligaments and folds
peritoneal membrane allows for
free movement between organs by decreasing friction
2 layers of peritoneal membrane
parietal
visceral
the 2 layers of the peritoneal membrane create a ____
potential space/cavity
During fetal development, structures move into the abdominal cavity from the ______. Some become enclosed within fold of peritoneum (_____)others don’t migrate (_____)
post abdominal wall
intraperitoneal organs
retroperitoneal organs
peritoneal folds (4)
mesentery
mesocolon
greater omentum
lesser omentum
mesentery (connect, size, shape)
peritoneal folds connecting small bowel to the post abdominal wall
large and fan shaped
mesocolon (attached to, connects)
peritoneum attached to colon
connects trans colon and sigmoid to the post abdominal wall
lesser omentum (what, connects)
double layer of mesentery
connects lesser curvature of stomach and 1st part of duodenum to the visceral surface of the liver
greater omentum (what, connects)
apron-like fold that connects the greater curvature of the stomach and the transverse colon
peritoneal folds connecting small bowel to the post abdominal wall
large and fan shaped
mesentery
peritoneum attached to colon
connects trans colon and sigmoid to the post abdominal wall
mesocolon
double layer of mesentery
connects lesser curvature of stomach and 1st part of duodenum to the visceral surface of the liver
lesser omentum
apron-like fold that connects the greater curvature of the stomach and the transverse colon
greater omentum
ligaments are what
double fold of peritoneum
ligaments convey what three things
blood, lymphatics, nerves
falciform ligament travels from _____ to ____ and conducts ____
umbilicus
liver
ligamentum teres
falciform ligament passes over ______ and splits ____
anterior superior liver
triangular/coronary ligaments
coronary ligaments are part of _____ peritoneum, located on ____ liver and define ___
parietal
posterior
bare area of liver
lig teres (remnant of, runs in and joins)
remnant of fetal umbilical vein
runs in the falciform ligament and joins the LPV at the porta hepatis
lig venosum (remnant of, attaches to)
remnant of the fetal ductus vensoum
attaches to LPV
what is a remnant of the fetal umbilical vein
lig teres
what is a remnant of the fetal ductus venosum
lig venosum
what ligament runs in the falciform ligament and joins the LPV at the porta hepatis
lig teres
triangular ligaments are the ____ of the bare area
corners
hepatoduodenal ligament conducts (3)
MPV
CD
HA
gastrocolic ligament
stomach/colon
gastrosplenic lig
stomach/spleen
splenorenal lig
spleen/kidney
potential spaces exists between the _____ and ____ of the ____
parietal
visceral
peritoneum
the peritoneum is a closed sac except for
females as it is pierced by the fallopian tubes
right subhepatic space ____ to right lobe of liver _____ to upper pole of R kidney
post
ant
what does right subhepatic space contain
Morison’s Pouch
what is the most dependant portion of the subhepatic space
the right subhepatic space
left subhepatic space has _____ and _____ recesses and includes the ____
anterior
posterior
lesser sac
subphrenic space has ____ and ___ portions
anterior
posterior
subphrenic space is defined by the
liver and diaphragm
the subphrenic space is divided into left and right by the ____
falciform ligament
lesser sac AKA
omental bursa
epiploic foramen (what, AKA (2))
communication between lesser/greater sac
AKA foramen of Winslow, omental foramen/neck
the IVC lies ___ to the epiploic foramen and the caudate lies ____
post
sup
the stomach lies ____ to the lesser sac and the pancreas lies ____
anterior
posterior
the _____ lies anterior to the lesser sac and the ____ lies posterior
stomach
pancreas
the greater sac is _____ to the lesser sac superiorly and ____ to the lesser sac inferiorly
anterior
posterior
the _______ divides the greater sac into supramesocolic and inframesocolic compartments
transverse mesocolon
the inframesocolic compartment is divided into right and left by the ____
root of the mesentery
the right and left compartments of the inframesocolic compartment are divided into medial and lateral areas by the _____ and _____
ascending colon (right)
descending colon (left)
right paracolic gutter is space between
ascending colon and right lateral abdominal wall
left paracolic gutter is space between
descending colon and left lateral abdominal wall
does the right medial compartment communicate with the pelvic cavity
no
what prevents the left paracolic gutter from communicating with the left supramesocolic area
phrenocolic ligament
parietal peritoneum on US
thin, smooth, echogenic line
small bowel mesentery is seen on US with
ascites
retroperitoneum is anterior to
transversalis fascia
what is the superior and inferior boundary of the retroperitoneum
sup: diaphragm
inf: pelvic brim
3 compartments of retroperitoneum
anterior pararenal
perirenal
posterior pararenal
ant/post boundary of anterior pararenal space
ant: peritoneum
post: Gerota’s fascia
4 structures in anterior pararenal space
ascending/descending colon, duodenum, pancreas
does the anterior pararenal space communicate across the midline
yes
the anterior pararenal space communicates with the _____ and ____
posterior pararenal space
pelvis
perirenal space is enclosed by
renal fascia
4 structures in the perirenal space
kidneys, adrenals, ureters, great vessels
perirenal space communicates with the ____
pelvic space
does the perirenal space communicate across the midline
no
posterior pararenal space is posterior to ____ and anterior to ____
renal fascia
transversalis fascia
what structures are in the posterior pararenal space
no solid organs
contains fat
what is the fold of the peritoneum that attaches the small bowel to the post wall
mesentery
what is the epiploic foramen
Opening between greater/lesser sacs
what is the space that lies between the liver and right kidney
Morrison’s pouch
what divides the subphrenic spaces into right and left
falciform lig
what separates the supra and inframesocolic compartments
trans mesocolon
what space do the kidneys lie in
perirenal
what space does the duodenum lie in
ant pararenal
what retroperitoneal space does not communicate across the midline
perirenal
the lesser sac is part of the retroperitoneum (T/F)
F
