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Anatomy Atlases: Atlas of Human Anatomy in Cross Section: Section 5. Lower Thorax (Lungs) and Abdomen

Atlas of Human Anatomy in Cross Section: Section 5. Lower Thorax (Lungs) and Abdomen

Plate 5.8

Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Jean J. Jew, M.D., and Paul C. Reimann, B.S.
Peer Review Status: Externally Peer Reviewed

Plate 5.8

Upper Left Quadrant

Lower Left Quadrant

Lower Right Quadrant

Upper Right Quadrant

1. Left hepatic lobe
2. Left gastric blood vessels
3. Hepatic fissure
4. Rectus abdominis m. and ligamentum teres hepatis
5. Pancreas, head
6. Pancreatic duct (Wirsung)
7. Abdominal cavity
8. Pylorus of stomach and gastroduodenal a.
9. Rib 8
10. Diaphragm
11. Common bile duct
12. Rib 8
13. Duodenum, proximal part
14. Gallbladder
15. Rib 9
16. Inferior vena cava

17. Lymph node and abdominal aorta
18. Renal v., junction with inferior vena cava
19. Rib 10
20. Latissimus dorsi m. and right lobe of liver
21. Rib 11 and serratus posterior inferior m.
22. Renal cortex and right renal pelvis
23. Rib 12 and renal medulla
24. Diaphragm and lesser splanchnic nerve
25. Lumbar v. and greater splanchnic nerve
26. Longissimus m. and mamillary process of vertebra, L1
27. Thecal sac and multifidus m.
28. Conus medullaris (sacral cord)

29. Vertebral spine, L1
30. Nerve roots (cauda equina)
31. Transverse process of vertebra, L1
32. Anterior longitudinal ligament and left crus of diaphragm
33. Serratus posterior inferior m. and left renal pelvis
34. Renal a.
35. Suprarenal gland
36. Splenic v. and toil of pancreas
37. Spleen

38. Parietal peritoneum and jejunum
39. Descending colon and transverse mesocolon
40. Middle colic a. and v.
41. Intercostal mm.
42. Superior mesenteric a.
43. Stomach, antrum
44. Transverse colon
45. Splenic v.
46. Linea alba

This section passes through the first lumbar vertebra (31) and its transverse (31) and mamillary (26) processes. It also passes through the twelfth (23), eleventh (21), tenth (193, ninth (15), and eighth (9, 12) ribs.

The right suprarenal gland (35), the tail of the pancreas (36), and the spinal cord (28) make their last appearance in this section.

The upper right quadrant contains a part of the transverse colon (44), the antrum of the stomach (43), the descending colon (39), and the transverse mesocolon (39). The middle colic artery and vein (40) can also be seen.

The lower right quadrant contains the tail of the pancreas along with the splenic vein (36), the suprarenal gland (35), and the left kidney (33) cut through the pelvis.

The lower left quadrant contains the right renal pelvis (22), the renal medulla (23) and renal cortex (22), the right lobe of the liver (20), and the junction of the right renal vein (18) and the inferior vena cave (16).

The upper left quadrant features the gallbladder (14), the duodenum (13), and its connection with the pylorus of the stomach (8). The common bile duct (11), head of the pancreas (5), and the pancreatic duct (Wirsung) (6) can be identified.

The central area of the section includes a dilated splenic vein (45), the superior mesenteric artery (42), the abdominal aorta (17), and the left renal artery (34).

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