Peritoneum and upper abdomen viscera

Question 1

Peritoneal cavity

Answer 1

A potential space in the peritoneal sac
Small amount of serous fluid
Allows organs to move freely
Greater sac is area outside omental bursa
Lesser sac is the area inside the omental bursa
COMMUNICATE BETWEEN OMENTAL FORAMEN

Question 2

Greater omentum

Answer 2

Attaches to greater curvature of the stomach and transverse colon
Drapes over the small intestine
4 layers of peritoneum
Walls off infection and inflammation–can create adhesions of scar tissue – can pitch off digestive flow

Question 3

Lesser omentum

Answer 3

Attaches to lesser curvature of the stomach and duodenum

Hepatogastric ligament connects liver to stomach

Hepatoduodenal ligament connect liver to duodenum
-contain portal triad

Question 4

Portal triad

Answer 4

Hepatic artery
Hepatic portal vein
Bile duct

Question 5

Mesentery proper

Answer 5

Anchors small intestine to posterior abdominal wall
Runs diagonally from duodenojejunal Jxn to ilocecal Jxn
-15-20 cm
Duodenum anchored by suspensory ligament of treitz

Question 6

Suspensory ligament of duodenum

Answer 6

Duodenum anchored by suspensory ligament of treitz
Fibromuscular ligament of right crus of diaphragm
Crosses over left crus
Holds distal duodenum in place
Prevents sagging

Question 7

Mesocolon

Answer 7

Anchors transverse colon to posterior abdominal wall
Ascending and descending colon have no Mesentery
Sigmoid=sigmoid mesocolon
Rectum= rectal mesocolon

Question 8

Greater sac

Answer 8

Made by greater omentum
Supra colic sac
Infra colic sac

Lesser sac is split from these by transverse mesocolon

Question 9

Round ligament of liver

Answer 9

Used to be Obliterated umbilical vein

Question 10

Coronary ligament

Answer 10

Reflection of peritoneum of the bare area
Bare area = upper posterior portion of the liver
Attaches liver to inferior diaphragm

Question 11

Peritoneal pouches

Answer 11

Rectovesical pouch

Hepatorenal recess

Question 12

Hepatorenal pouch

Answer 12

Pouch of Morrison
Liver, right kidney, colon, duodenum
Lowest part of cavity when laying down

Question 13

Rectovesical pouch

Answer 13

Recto uterine pouch
Between rectum and bladder
Another low point of peritoneal cavity
Females- rectouterine pouch and vesicouterine pouch

Question 14

Major pancreatic papillae

Answer 14

Bile duct and the main pancreatic duct connect
Hepatopancreatic ampulla forms
Juice enters at descending part of duodenum
Major marker for the fore gut… Everything after is mid gut
Accessory pancreatic duct will go to minor duodenal papillae
-2 cm superior to major papilla

Question 15

Accessory organs

Answer 15

Liver
Gallbladder
Spleen
Pancreas

Question 16

Celiac trunk

Answer 16

Left gastric a
Common Hepatic a
Spleenic a

Question 17

Common hepatic artery

Answer 17

Hepatic artery proper
- right gastric a
-right and left hepatic
Gastroduodenal artery
-superior pancreatic duodenal a
-right gastroomental

Question 18

Splenic artery

Answer 18

Left gastroomental a

Short gastric a