Celiac Trunk and Viscera Supplied Flashcards
Lesser omentum
Hepatoduodenal + hepatogastric ligaments
Greater sac
Supracolic region + infracolic region
Intraperitoneal mesenteries
Allows for intraperitoneal, dangling within peritoneal cavity
(ex. small intestine)
Secondary retroperitoneal
pulling itself away from the wall and laid back
(ex. ascending colon)
Retroperitoneal
Located completely posterior to the peritoneum
Omental Foramen
Boundaries
-Anterior= hepatodudenal lig
-Posterior= IVC and R crus of diaphragm
-Superior = liver
-Inferior = superior/first part of duodenum
Clinical correlation- hepatorenal recess
Can fill with fluids (internal bleeding)
-Especially when lying down
Place where celiac trunk comes off aorta
T12
Celiac trunk branches
L. Gastric a.
Splenic a.
Common hepatic a.
Common hepatic a. branches
Heptic proper a.
Gastrodudenal a.
Hepatic proper a. branches
R. gastric a.
Cystic a.
L. Hepatic A.
R. Hepatic A.
Gastroduodenal a.
R. gastroepiploic a./R. gastro-omental a.
Superior pancreaticoduodenal a.
Superior pancreaticodudenal a. branches
Anterior superior pancreatic duodenal a.
Splenic a. branches
Runs behind stomach
Short gastric aa.
L gastroepiploic a. /L. gastroomental a.
L. gastric a. branches
Esophageal a.
Spleen surface anatomy
Left side, ribs 9-11
Spleen ligaments
Gastrosplenic ligament
Splenorenal ligament
Gastrointestinal development of foregut
Liver, gallbladder, and pancreas all develop from endodermal diverticula that originate form the 2nd part of the duodenum
Stomach vasculature
Short gastric aa.
Left gastric a.
Right gastric a.
Left gastro-omental a.
Right gastro-omental a.
Hepatodudenal ligament
Content “Portal Triad”
1. Hepatic artery proper
2. Hepatic portal vein
3. Bile duct
Cystic duct & common bile duct
Gallbladder store bile, released into cytic duct which is bidirectional
Cystic duct into common bile duct
Common bile duct joins with main pancreatic duct, have ampulla, drains into duodenum via major duodenal papilla
Gallstones (Cholelithiasis)
Prevalence: 10-20% adults
Types: cholesterol stones, pigment stone
Risk: increased age, obesity, female, rapid weight loss
Complications: cholecystitis, obstructive cholestasis or pancreatitis
4 liver lobes
Right
Left
Caudate
Quadrate
Portal-Caval Anastomoses
- Left Gastic/Azygous Veins
- Paraumbilical Veins/ Superficial Epigastric Veins
- colic Veins/ Retroperitoneal V.
- Recal veins (Sup/– mid, inf)