The Stomach

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Which structure of the stomach does the transpyloric plane pass through, and at which vertebral level is it located?

Answer: The pylorus, located at L1.

Which structures lie posterior to the stomach?

Answer: Lesser sac, transverse mesocolon, left kidney, left suprarenal, spleen, splenic artery.

Which arteries supply the stomach, and from which vessels do they branch?

Answer:
Left gastric artery: Branches from the coeliac axis.
Right gastric artery: Branches from the hepatic artery.
Right gastroepiploic artery: Branches from the gastro-duodenal branch of hepatic artery.
Left gastroepiploic artery: Branches from the splenic artery.
Short gastric arteries: Branches from the splenic artery.

To which venous system does the venous drainage of the stomach drain into?

Answer: The portal venous system.

To which lymph nodes does the left third of the greater curvature of the stomach drain?

Answer: The aortic group via the suprapancreatic nodes.

Which nerves are responsible for the motor and secretory nerve supply of the stomach?

Answer: The anterior and posterior vagi.