Advanced Lesser Curvature of the Stomach Quiz

Q1. Why can the right and left gastric arteries provide collateral blood flow along the lesser curvature?

• They drain directly into the inferior vena cava
• They do not communicate
• They form an anastomotic channel along the lesser curvature
• They are branches of the inferior mesenteric artery

Q2. Which developmental relationship explains the attachment of the lesser omentum to the lesser curvature?

• The transverse mesocolon becomes the lesser omentum
• The ventral mesogastrium persists as the lesser omentum along the ventral-derived lesser curvature
• The mesentery of the ileum becomes the lesser omentum
• The dorsal mesogastrium becomes the lesser omentum

Q3. How does differential growth of the embryonic stomach create the lesser curvature?

• Fusion with the liver creates the curvature
• Faster growth of the ventral wall creates the greater curvature
• Midgut rotation alone creates it
• Slower growth of the ventral wall creates the shorter concave border

Q4. Why is the left gastric vein clinically important near the proximal lesser curvature?

• It supplies arterial blood to the stomach
• It participates in a portal-systemic connection with esophageal veins
• It drains directly to the inferior vena cava without portal connections
• It is the main systemic vein of the lower limb

Q5. Which statement best describes vagal relationships along the lesser curvature?

• The phrenic nerves form the gastric plexus
• Only sympathetic fibers reach the lesser curvature
• The pudendal nerves run along the lesser curvature
• Gastric vagal branches course along the lesser curvature as anterior and posterior nerves of Latarjet

Q6. Why is preservation of terminal vagal branches near the lesser curvature relevant in highly selective vagotomy?

• Selective division can reduce vagal input to acid-secreting stomach while preserving distal gastric motor branches
• It interrupts the inferior mesenteric artery
• It divides the phrenic nerve to relax the diaphragm
• It removes all sympathetic innervation to the colon

Q7. How does lymph from the lesser curvature generally reach the celiac nodal group?

• Only through inferior mesenteric nodes
• Through popliteal nodes to inguinal nodes
• Through axillary nodes to cervical nodes
• Through gastric nodes along gastric vessels toward celiac nodes

Q8. Which arterial territories are linked by the gastric arterial anastomosis along the lesser curvature?

• Left gastric and hepatic arterial pathways of the celiac system
• Renal and gonadal territories
• Superior and inferior mesenteric territories
• Internal and external iliac territories

Q9. How does stomach rotation affect the lesser curvature during development?

• The ventral border is repositioned mainly rightward and superiorly as the stomach develops
• The ventral border becomes the greater curvature on the left
• The dorsal border becomes the lesser curvature without rotation
• The lesser curvature migrates into the pelvis

Q10. Which statement best integrates the anatomy of the lesser curvature?

• It is a hindgut structure without autonomic or peritoneal relationships
• It is a dorsal-derived convex border attached to the greater omentum
• It is a retroperitoneal midgut border supplied by the inferior mesenteric artery
• It is a ventral-derived concave gastric border with lesser omental attachment, gastric vascular anastomoses, lymphatics, vagal branches, and the angular incisure