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Anatomy Atlases: Atlas of Human Anatomy in Cross Section 6: Pelvis, Perineum, Hip, and Upper Thigh

Atlas of Human Anatomy in Cross Section: Section 6. Pelvis, Perineum, Hip, and Upper Thigh: Male

Plate 6.8

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 6.8

Upper Left Quadrant

Lower Left Quadrant

Lower Right Quadrant

Upper Right Quadrant

1. Median umbilical ligament
2. Vesical plexus of w.
3.Rectus abdominis m.
4. Cecum
5. Rectus (abdominis) sheath below arcuate line
6. Inferior epigastric a. and v.
7. Superficial epigastric a. and v.
8. Vas deferens
9. Testicular a. and v.
10. Internal abdominal oblique m. fused with transversus abdominis m.
11. Ilioinguinal nerve
12. Superficial iliac a. and v.
13. Iliopsoas m.
14. Anterior inferior iliac spine
15. Sartoriums.
16. Rectus femoris m., tendinous origin (from 14)
17. Vermiform appendix and urinary, bladder
18. Tensor fascia lata m.
19. Internal iliac Iymph node
20. Rectus femoris m., reflected tendon
21. Iliotibial band (tract)

22. Os ilium
23. Superior gluteal a. and v.
24. Vas deferens
25. Ureter
26. Gluteus medius m.
27. Sciatic nerve
28. Superior gluteal a. and v.
29. Second sacral nerve
30. Gluteus maximus and piriformis mm.
31. Sacrotuberous ligament
32. Peritoneum and third sacral nerve
33. Rectovesical fold
34. Lateral sacral a. and anterior sacral plexus of w.

35. Sacral nerve roots and filum terminale
36. Ampulla of rectum
37. Sacrum
38. Anterior sacral plexus of w.
39. Peritoneal cavity
40. Middle rectal a. and v.
41. Ureter and vas deferens
42. Pudendal nerve
43. Inferior gluteal and vesical w.
44. Second sacral nerve
45. Tibial nerve
46. Common peroneal nerve
47. Obturator internus m.
48. Piriformis m.
49. Superficial fascia
50. Gluteus maximus m.
51. Gluteus medius m.
52. Inferior gluteal blood vessels

53. Gluteus minimus m.
54. Obturator nerve
55. Peritoneal cavity
56. Iliopsoas m.
57. Femoral nerve
58. Deep circumflex iliac a. and v.
59. External iliac Iymph node
60. External iliac a. and v.
61. Transversus abdominis m.
62. Sigmoid colon
63. Spermatic cord
64. Peritoneal cavity
65. Inferior epigastric a. and v.
66. Abdominal cavity
67. Pyramidalis m.

The inferior sacral hiatus can be seen at this level with a few of the sacral nerve roots and the filum terminale (35).

The superior gluteal artery and vein (28) can be found between gluteus maximus (30) and medius (26) muscles, and the inferior gluteal artery and vein (52) are located between gluteus medius (51) and minimus (53) muscles.

The inferior epigastric artery and vein (65) are seen for the first time on the left side and were found on the right side in the previous section. The vessels are now present (6, 65) on both sides.

The tendinous origin of the sartorius muscle (15) is seen in this cut.

The sacrotuberous ligament (31) provides a site of origin, in part, for piriformis and gluteus maximus muscles (30).

On the right side, the sciatic nerve (27) is seen at the greater sciatic foramen, whereas on the left side the nerve is not yet formed from its component parts (44, 45, 46).

The vermiform appendix (17) makes its last appearance in this section. The ampulla or dilated intraperitoneal part of the rectum (36) can be recognized at this level. The spermatic cord (63) can be found on the left side but will appear on both sides in the next cut.

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