Exploration of lymphatic structures of gastrointestinal tract

Lymph nodes and vessels of pyloric region, close-up view

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Image #140-6

Exploration of lymphatic structures of gastrointestinal tract

Lymph nodes and vessels of pyloric region, close-up view

Lymph nodes and vessels have been dissected along the course of the right gastroepiploic artery (15) and are also shown in relation to the hepatic and right gastric arteries. Nerve filaments which are visible in the dissection are more adequately displayed in view 142-1.

1. Ligamentum teres (of liver)
2. Supraduodenal artery (a branch of the hepatic artery in this specimen)
3. Hepatic lymph nodes
4. Common bile duct
5. Right gastric artery
6. Gallbladder
7. Superior part of duodenum
8. Pylorus
9. Head of pancreas
10. Descending part of duodenum
11. Right gastric lymph nodes (upper pointer indicates one of several pyloric nodes)
12. Lesser omentum
13. Body of stomach
14. Pyloric antrum
15. Right gastroepiploic artery
16. Right gastric lymph nodes (right gastroepiploic nodes)
17. Gastrocolic ligament (posterior peritoneal layer)
18. Transverse colon