The Peritoneum And Retroperitoneum Flashcards
Peritoneal cavity
Potential space between the partial and visceral peritoneum
Peritoneal cavity extends from
Abdomen to pelvis
What is different about the female peritoneal cavity vs male
Female has an opening by fallopian tubes makes is fully closed
Peritoneal cavity contains a small amount of _____ fluid
Serous
What is the peritoneum (function and layers)
Serous membrane
Supportive layer to anchor structures, lubrictaed, wards off infection
Parietal and visceral layers
Intraperitoneal organs (7)
Liver (not bare area)
Gallbladder
Spleen
Stomach
Ovaries
First part duodenum
Transverse colon
Peritoneal folds (2)
Mesenteries
Omentum
Mesenteries (what/gunction)
Peritoneal folds connecting small and large bowel to post abdominal wall
Prevents twisting
Mesenteries support ____, ____ and ___
vessels
lymph
nerves
Mesenteries include
Mesentery
Mesocolon
Mesentery (what/shape/encloses)
Double layered fold
Large and fan shaped
Enclosed Jejunum and ileum
Mesentery connects _____ bowel to _____
Above
Post abdominal wall
Mesocolon (what and two types)
Peritoneum attached to the colon
Transverse/sigmoid Mesocolon
Transverse Mesocolon
Connects transverse colon to post abdominal wall
Sigmoid Mesocolon
Attaches sigmoid to posterior abdominal wall
What is the omentum and where does it extend from/to
Double layer of peritoneum
Extends from stomach to intraabdominal sites
2 main folds of omentum
Greater omentum
Lesser omentum
Greater omentum is a ____ fold that connects the _______ of the stomach and _______
Apron like
Greater curvature
Transverse colon
Greater omentum from stomach drapes _______ over transverse colon and intestine. Turns ______ and then _____ to attach to transverse colon
Inferiorly and anteriorly
Posterior
Superior
Lesser omentum Connects _________ and _________ to the ______ surface of the _____
Lesser curvature of stomach
1st part of the duodenum
Visceral
Liver
What are peritoneal sacs and what are the two
Large potential sacs
Greater sac
Lesser sac
Greater sac extends from _____ to ______ and communicates with _______ in ______ region
Diaphragm
Pelvis
Lesser sac
Epigastric
Greater sac is ______ to lesser sac superior, _____ to lesser sac inferiorly, surrounds ______ inferiorly, superior to _______
Anterior
Posterior
Small bowel
pelvic structures
Greater sac is ______ to lesser sac superior, _____ to lesser sac inferiorly, surrounds ______ inferiorly, superior to _______
Anterior
Posterior
Small bowel
pelvic structures
Lesser sac AKA
Omental bursa
Lesser sac is ____ to stomach and _____ to pancreas
Posterior
Anterior
Opening between sacs four names and which two are most common
Neck
Epiploic foramen
Foramen of Winslow
Omental foramen
2/3 most coming
What aligns with the anterior margin of opening between two sacs
Portal triad at ports hepatis
What are the two major compartments of the abdomen
Supracolic
Infra complications
What are the compartments of the supracolic compartment
Subphrenic
Subhepatic
What are the compartments of the infracolic compartment
Paracolic gutters
pelvic reflections
What is the subphrenic space
Part of supracolic compartment
Between diaphragm and anterior and superior diaphragmatic surface of liver
What is the boundary for the right and left spaces of the subphrenic space
Falciform ligament
What is the subhepatic space (right includes ____, left is anterior to ______)
Inferior to visceral surface of the liver
Morison’s pouch
Antrum of the stomach
What separates the two compartments of the abdomen
Transverse Mesocolon
What is Morison’s pouch (anterior to ____ and posterior to _____)
Right posterior subhepatic space
Most dependent part of subhepatic space
Right kidney
Right lobe of liver
Right paracolic gutter is space between and part of what compartment
Space between ascending colon and right lateral abdominal wall
Infracolic compartment
Left paracolic gutter space between and part of what compartment
Space between descending colon and left lateral abdominal wall
Infracolic compartment
Ascites
Fluid in the peritoneal cavity
Retroperitoneal structures (8)
Kidneys
Ureters
Adrenals
Pancreas
Duodenum (2/3/4 parts)
Aorta
IVC
Ascending/descending colon
The Retroperitoneum is ______ to peritoneal cavity, _______ to transversalis fascia, and extends from the _____ to the _____
Posterior
Anterior
Diaphragm
Pelvic brim
3 potential spaces of of the retroperitoneum
Anterior pararenal space
Posterior pararenal space
Perirenal space
Anterior pararenal space location
Immediately post to peritoneum
Between parietal peritoneum of post cavity and anterior renal fascia
What is different about the anterior pararenal space
Crosses the midline
What does the anterior pararenal space contain (3)
Ascending and descending colon
2,3,4 part of duodenum
Head of body and pancreas
Perirenal space enclosed by ______, contains ______
Renal fascia
Perirenal fat
Perirenal space surrounds (4)
Kidneys
Adrenal glands
Lymph nodes
Blood vessels
Renal fascia AKA
Gerota’s fascia
Posterior pararenal space is _____ to renal fascia, between ______ and ______ of abdominal wall
Posterior
Posterior renal fascia
Transversalis fascia
Posterior pararenal space contains
No solid organs and a little fat
What are the two layers of the peritoneum
Parietal and visceral
What fold of the peritoneum attaches small intestine to the posterior wall
Mesentery
What space lies poster and inferior tk the right liver and anterior to the right kidney
Morrison’s pouch
What structure divided the left and right subphrenic spaces
Falciform lig
What structure divides the supra and infracolic compartments
Transverse mesocolon
Which Retroperitoneal spaced communities across the midline
Anterior pararenal
Where is the lesser sac located
Post to stomach
Ant to pancreas