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Let’s continue our USMLE Review with Anatomy from the Gold Standard USMLE Step 1 Audio Review program.
Play USMLE Audio MP3 03 09 Anatomy Stomach Quiz Below
Begin 03 09 Anatomy Stomach Quiz Transcription
Ok, quiz time, I’ll give you a portion of the stomach, please tell me the terminal branch supplying that portion of the stomach and then continue to work your way all the way back to the celiac trunk. Here we go.
The lower third of the esophagus- esophageal branches from the left gastric artery from the celiac trunk. All right, from the inferior portion of the pylorus- The right gastro-epiploic artery, which is a branch of the gastroduodenal artery which is a branch of the common hepatic artery from the celiac trunk.
Ok what supplies the greater curvature of the stomach?
- First the left gastroepiploic artery which comes from the splenic artery which comes from the celiac trunk.
The superior portion of the pylorus, what supplies it?
- The right gastric artery which is a branch from the common hepatic which is from the celiac trunk.
All right, what supplies the lesser curvature of the stomach?
- The continuation of the left gastric artery after the esophageal branches are given off which comes from the celiac trunk.
And what supplies the left fundus of the stomach?
- The short gastric branches which come from the splenic artery which comes from the celiac trunk.
By the way, while we are here how does the spleen lie in relation to the peritoneum?
- It is intraperitoneal.
What about the liver?
- It is also intraperitoneal.
What about the first part of the duodenum?
- In it intraperitoneal.
And what is it suspended within?
- The hepatoduodenal ligament, which is the right hand portion of the lesser omentum.
What about the rest of the duodenum?
- It is retroperitoneal.
What about the pancreas?
And the kidneys?
What about the gallbladder?
What is the name for the right hand edge of the hepatoduodenal ligament just over the epiploic foramen?
- This is called the free border of the hepatoduodenal ligament.
And what three structures run within the free border of the hepatoduodenal ligament?
- The hepatic artery, the portal vein and three portions of the biliary tree.
Now the hepatic artery is sometimes given another name to distinguish it from the common hepatic artery, what is the other name for the hepatic artery?
- Sometimes its called the proper hepatic artery.
The portal vein of course is running superiorly to what organ?
- The liver.
And it is coming inferiorly from where?
- From the many veins of the abdominal GI tract from the lower esophagus all the way to the rectum.
Now in the lower two thirds of the hepatoduodenal ligament there’s a single bile duct, what is it?
- The common bile duct.
And it is the result of two biliary branches up above, what are they?
- The cystic duct from the gallbladder and the common hepatic duct from the liver.
Even further up, what two hepatic ducts are joining together to form the common hepatic duct?
- The right and left hepatic ducts.
And going back to the cystic duct for a moment, which part of the cystic duct is closer to the common bile duct?
- The smooth part.
And which part of the cystic duct is further up closer to the gallbladder?
- The spiral part.
****END OF TRANSCRIPTION****
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