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gross 3 -ch 3 peritoneum
Terms in this set (48)
what quadrant of the abdomen is the liver found in?
what is peritoneum?
a serous membrane that lines the abdominopelvic cavity and covers the viscera
what is another word for serous membrane?
what are the 2 types of peritoneum?
parietal - lines wall of cavity
visceral - covers viscera
what are intraperitoneal organs?
ones within the peritoneum
almost completely covered with visceral peritoneum
what are extraperitoneal organs?
organs external to the parietal peritoneum , partially covered with visceral peritoneum
what does retroperitoneal mean?
located posterior to the parietal peritoneum and against the posterior abdominal wall
what side of a retroperitoneal organ is covered by parietal peritoneum?
what does subperitoneal mean?
located inferior to parietal peritoneum
what surface of a subperitoneal organ is covered by parietal peritoneum?
ex. urinary bladder
what are the primarily retroperitoneal structures?
NOT GI ORGANS
what are the secondarily retroperitoneal structures?
ascending and descending colons
what is a secondarily retroperitoneal structure?
one which developmentally began in the peritoneal cavity but was then pushed out to behind it
what is a primarily retroperitoneal structure?
one who devlopmentally began and stayed behind the peritoneum
what is the peritoneal cavity?
it is the space within the abdominal cavity that is between the parietal and visceral layers of peritoneum
what does the peritoneal cavity develop from?
intraembryonic coelom (embryonic body cavity)
what does parietal peritoneum (mesothelium) derive from
what does visceral meosthelium derive from?
how long is the peritoneal cavity connected to extraembryonic coelom ?
until 10th week, at umbilicus
what is mesentary?
double layer of peritoneum that connect organs to body wall AND coveys vessels and nerves
what is another name for stomach mesentary?
what is the greater omentum?
4 layers of peritoneum attached to the GREATER curvature of the stomach and the proximal duodenum which hangs down like and apron and also trnasverse colon and transversemesocolon
what does the gastrophrenic ligament connect?
stomach to diaphragm
what does the gastrosplenic connect?
stomach to spleen
what does the gastrocolic ligament connect?
stomach to colon
what type of mesentary is the lesser omentum?
what is the lesser omentum?
double layer attached to lesser curvature of the stomach and proximal dudodenum of liver
where is the faliciform ligament? what type of mesentary does it come from?
liver to anterior abdominal wall
what is another name for the round ligament of the liver?
ligamentum teres hepatis
what is the round ligament of the liver a remnant of?
What words are associated with the liver?
How many layers is the greater omentum?
What is the mesentery of the small intestine?
What is the mesentery of the vermiform appendix?
What is the mesentery of the transverse colon?
What is the mesentery of the sigmoid colon?
What 2 sacs are found in the peritoneal cavity?
Lesser- omental bursa
Where is the lesser sac found?
Posterior to the stomach and lesser omentum
What is the opening to the lesser sac called?
Omental foramen/ epiploic foramen/ foramen of Winslow
What does the transverse mesocolon divide?
What are the 2 compartments of the greater sac?
What structures are in the supracolic compartment?
What structures are in the infracolic compartment?
*posterior to greater omentum
What does the mesentery of the small intestines divide the infracolic compartment into?
Right and left infracolic spaces
What are paracolic gutters lateral to?
Ascending and descending colons
The lesser omentum is a double fold of peritoneum which is attached to?**
First part of duodenum
The dorsal part of the ventral mesentery forms the?***
Which of the following does not have a free mesentery in the adult? Ascending colon/ileum/jejunum/ transverse colon***
Ascending colon- it's retroperitoneal
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