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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

Plate 6.14

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 6.14

Upper Left Quadrant

Lower Left Quadrant

Lower Right Quadrant

Upper Right Quadrant

1. Deep fascia of penis
2. Dorsal vessels of penis
3. Dorsal nerve of penis
4. Corpus cavernosum
5. Pudendal plexus of veins
6. Tendon m. gracilis
7. Adductor longus m.
8. Adductor brevis m.
9. Femoral a.
10. Sartorius m.
11. Lateral femoral circumflex a. and
12. Artery of bulb and bulb of penis
13. Vastus medialis m.
14. Tensor fascia lata m.
15. Pectineus m.

16. Femoral shaft
17. Vastus lateralis m.
18. Tendon m. gluteus maximus
19. Adductor minimus m. (adductor magnus m.)
20. Perforating femoral a. and v.
21. Skin
22. Superficial (fatty) fascia
23. Inferior gluteal a. and v. and sciatic nerve
24. Quadratus femoris m.
25. Sacrotuberous ligament
26. Ischial tuberosity
27. Ischiocavernosus m.
28. Ischiorectal fossa
29. Inferior fascia of urogenital diaphragm
30. Central perineal tendon
31. Anus

32. Anococcygeal ligament
33. Sphincter ani internus m.
34. Sphincter ani externus m.
35. Superficial transverse perinei m.
36. Deep transverse perinei m.
37. Pudendal plexus of vessels and pudendal nerve
38. Obturator externus m.
39. Ischial tuberosity
40. Adductor minimus m. (adductor magnus m.) and obturator neurovascular bundle
41. Gluteus maximus m.
42. Common tendon mm. semitendinosus and biceps femoris (long head)
43. Tendon m. semimembranosus
44. Inferior gluteal a. and v.
45. Sciatic nerve
46. Quadratus femoris m.
47. Tendon m. gluteus maximus
48. Femur, lesser trochanter
49. Iliotibial tract
50. Perforating vessels of femoral a. and v.

51. Vastus lateralis m.
52. Vastus medialis m.
53. Iliopsoas m.
54. Rectus femoris m. and tendon
55. Lateral (femoral) cutaneous nerve (of thigh)
56. Pectineus m.
57. Sartorius m.
58. Femoral a. and v. with (smaller) lateral femoral circumflex vessels
59. Saphenous v.
60. Lymph node
61. Obturator nerve, anterior ramus
62. Inferior epigastric a.
63. Crus penis and corpus cavernosum
64. Cavernous urethra and corpus spongiosum
65. Spermatic cord and pampiniform plexus of vv.
66. Penile urethra and corpus spongiosum penis
67. Deep fascia of penis (Bucks fascia)
68. Septum penis
69. Tunica albuginea
70. Penis

This section passes transversely through the proximal part of the shaft of the penis (70), the penile urethra (64, 66), the bulb of the penis (12), the anococcygeal ligament (32), and the anus (31).

The femoral artery and vein (58) and their branches (11, 20, 50) are seen. The inferior gluteal vessels (23, 44) are intimately associated and travel with the sciatic nerve (23, 45).

On the lateral side of the femur vastus medialis (13, 52) and lateralis (17, 51) can be identified. On the medial side the iliopsoas (53) is seen. The superficial transverse perinei muscle (35) is cut for the first time. The medial (adductor) group of muscles include gracilis(6), pectineus (15,56), adductor brevis (8), adductor longus (7), adductor magnus (adductor minimus) (19, 40), and obturator externus (38) muscles. These muscles are all innervated by the obturator nerve (40, 61) except pectineus (supplied by the femoral nerve) and, in part, adductor magnus (supplied by the sciatic nerve). Adductor minimus is the name given to the superior fasciculus of the adductor magnus muscle, which is usually distinct or separated from the remaining two, usually fused, fasciculi of the muscle mass. Adductor minimus may be innervated by the nerve to quadratus femoris.

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