Anatomy Lab: Celiac Trunk

The celiac trunk supplies–>
Celiac Trunk is the first main trunk of the abdominal aorta

Supplies:
Lower esophagus
stomach
duodenum
gall bladder
pancreas
spleen

Celiac trunk pic
Celiac trunk pic

Access to celiac trunk by
removing part of left lobe of the liver

Lesser omentum attachment
to the porta hepatis of the liver
first part of the duodenum
lesser curvature of the stomach
superiorly to the diaphragm

Free edge of the lesser omentum and below it the epiploic forament contains
portal vein
common bile duct
proper hepatic artery

Hepatic artery–>
Right gastric artery –> to lesser curvature of the stomach

Right Gastric Artery
Right Gastric Artery

Common Hepatic Artery:
Common Hepatic Artery:
ARISES FROM THE CELIAC TRUNK AND AND COURSES TO THE RIGHT located ant. to portal vein, enters into liver , entrance is called the portal triad or portal hepatis & bifurcates into the right hepatic artery and left left hepatic artery. another vessel that originates off of the common Hepatic artery is the GDA:GASTRODUODENAL ARTERY) it supplies blood to the stomach & duodenal. landmark to the pancreas, its the ant. lateral aspect of the pancreas head

Left Hepatic Artery
Left Hepatic Artery
small branch supplying the caudate and left lobes of the liver

Right Hepatic Artery
Right Hepatic Artery
Supplies the gallbladder via the cystic artery

Proper Hepatic Artery
Proper Hepatic Artery
arises from the common hepatic artery and runs alongside the portal vein and the common bile duct to form the portal triad – supplies the liver

Hepatic artery proper—>
to the liver

Hepatic artery terminates–>
gives rise to the right and left hepatic arteries which supply the right and left lobes of the liver

Gall bladder–>
cystic duct and cystic artery

cystic artery–>
alon neck of gall bladder and inferiorly to origin from the right hepatic artery

Cystic duct
Cystic duct
(green/bile) leaves gall bladder and joins the common hepatic duct to form—> common bile duct

Common hepatic duct
Common hepatic duct

common bile duct
common bile duct
Cystic duct + common hepatic duct

Portal vein
Carries blood from GI tract, Pancreas, and spleen to the liver to be detoxified

Common hepatic artery branches
gastroduodenal artery
and
proper hepatic arteries

gastroduodenal artery
gastroduodenal artery
supply the stomach (gastro) and duodenum (duodenal) the first part of the small intestine

proper hepatic artery
arises from the common hepatic artery and runs alongside the portal vein and the common bile duct to form the portal triad

gastroduodenal artery does not—>
does not have companion vein and fives off branches to the stomach, pancreas and duodenum

Right gastroepiploic artery
Right gastroepiploic artery
Branch of the gastroduodenal artery behind the duodenum
Goes towards the left btwn the two layers of the greater omentum.

peritoneum from right gastroepiploic artery
follows greater curvature of stomach sending branches to its anterior and posterior surfaces.
ENDS by anastomosing w the left gastroepiploic artery

Common hepatic followed deeper—>
very dense network of autonomic nerve fibers–> “celiac plexus” located around celiac trunk and sends secondary plexuses along the three ranches of the celiac artery.

Path to celiac trunk
following common hepatic artery inferiorly

Celiac trunk
wide vessel/springs from upper part of the abdominal aorta
-1/2 inch long and terminates by dividing into 3 branches that diverge greatly to supply the lower part of esophagus, stomach, first 2 parts of duodenum, liver, gallbladder, pancreas and spleen.

Celiac trunk 3 branches
1. common hepatic
2. splenic
3. Left gastric

Splenic branch of the celiac trunk
Splenic branch of the celiac trunk
wide vessel – runs very wavy towards the left.
–> runs behind stomach and along upper border of the pancreas—> small branches to its upper surface and a large branch: “the pancreatica magna artery” penetrates the left 1/3 of the pancreatic gland.

Splenic artery–> to spleen and enters lienorenal ligament and breaks into branches –>
1. splenic branches
2. short gastric branches
3. left gastroepiploic

splenic branches
usually 5 or 6 in number that enter the spleen through its hilum.

short gastric arteries
either arise directly from trunk of splenic artery or from its splenic branches supply the fundus of the stomach

left gastroepiploic
left gastroepiploic
from trunko of splenic artery and passes into greater omentum to supply greater curvature of the stomach

left gastroepiploic courses towarsds
right and terminates by anastomosing with the right gastroepiploic

splenic vein
the blood vessel that drains blood from the spleen. It joins with the superior mesenteric vein, to form the hepatic portal vein and follows a course superior to the pancreas, alongside of the similarly named artery, the splenic artery. It collects branches from the stomach and pancreas and most notably from the large intestine, which is drained by the inferior mesenteric vein and joins with splenic vein shortly before it forms the portal vein.

Third branch of celiac trunk
Third branch of celiac trunk
left gastric artery – travels to stomach
-smallest to lesser lesser curvature of the stomach and has esophageal branches to the lower part of the esophagus.

Hepatic Vein
Hepatic Vein

Portal Vein
Portal Vein

Inferior Vena Cava
Inferior Vena Cava

General location of celiac trunk:
General location of celiac trunk:
(Removed Left Lobe of liver)

Branches of Celiac Trunk:
1. Splenic A
2. Common Hepatic
3. Left Gastric
(lots of resistance in this area / plexus, ganglion)

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