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Anatomy Atlases: Atlas of Human Anatomy in Cross Section: Section 2. Neck, Shoulders, Upper Arm, and Upper Thorax (Lungs)

Atlas of Human Anatomy in Cross Section: Section 2. Neck, Shoulders, Upper Arm, and Upper Thorax (Lungs)

Plate 2.3

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 2.3

Upper Left Quadrant

Lower Left Quadrant

Lower Right Quadrant

Upper Right Quadrant

1. Larynx
2. Thyrohyoid m.
3. Omohyoid m.
4. Laryngopharynx
5. Platysma m.
6. Intervertebral disk, C5, fibrocartilage
7. Retromandibular v.
8. Vertebra, C6 body
9. Common carotid a.
10. Vertebra a.
11. Internal jugular v.
12. External jugular v.
13. Cervical nerve, C5
14. Cervical nerve, C4
15. External jugular v., br.
16. Deltoid m., origin from clavicle
17. Tendon m. biceps brachii (long head)

18. Tendon m. subscapularis and transverse humeral ligament
19. Subarachnoid space
20. Supraclavicular nerve
21. Clavicle
22. Vertebra, C6 lamina
23. Deltoid m
24. Humeral head, articular cartilage
25. Humeral head and glenoid process, articular space
26. Deep cervical a. and v.
27. Subscapular a., v., and nerve
28. Deltoid m.
29. Supraspinatus m.
30. Subscapularis m.
31. Scapula
32. Levator scapulae m.
33. Serratus anterior m.
34. Semispinalis capitis m.
35. Semispinalis cervicis m.
36. Spinal cord, dorsal columns
37. Ligamentum nuchae.

38. Vertebra, C6 spinous process
39. Semispinalis cervicis m.
40. Rhomboideus minor m
41. Semispinalis capitis m.
42. Trapezius m.
43. Serratus anterior m.
44. Multifidus m.
45. Scapula
46. Subscapularis m.
47. Deltoid m.
48. Transverse cervical a. and v.
49. Supraspinatus m.
50. Suprascapular notch
51. Suprascapular a., v., and nerve
52. Scapular neck
53. Inferior articular process, zygapophyseal joint (C6)
54. Supraspinatus m.
55. Deltoid m
56. Subclavius m.
57. Humeral head
58. Clavicle
59. Deltoid m.
60. Subdeltoid bursa
61. Acromioclavicular ligament
62. Humerus, lesser tubercle
63. Tendon m. biceps brachii, long head

64. Clavicle
65. Superior articular process, zygapophyseal joint (C7)
66. Cervical nerve, C4
67. Internal jugular v. and cervical nerve, C5
68. Sternocleidomastoid m.
69. Common carotid a.
70. Vertebral a.
71. Superior laryngeal nerve
72. Platysma m.
73. Superior thyroid a. and v.
74. Longus colli m.
75. Thyrohyoid m
76. Inferior constrictor m.
77. Thyroid cartilage, superior thyroid notch
78. Epiglottic cartilage and petiole

This section passes beneath the mandible and through the thyroid cartilage (77), larynx (1), sixth and seventh cervical vertebrae (8), humeral heads (24, 57), and scapula (31, 45).

Major elements of the vasculature of the neck identified are the common carotid arteries (9,69), internal jugular veins (11,67), superior thyroid artery end vein (73), vertebral arteries (10, 70), suprascapular artery and vein (51), transverse cervical artery and vein (48), external jugular vein (12, 15), facial vein (7), and deep cervical artery and vein (26).

Important nerves identifiable at this level are the superior laryngeal of vagus (71), cervical nerves 4 (14, 66) and 5 (13, 67), suprascapular (51), and subscapular (27). The

cervical enlargement of the spinal cord (36) is seen.

Neck muscles include the platysma (5, 72), thyrohyoid (2, 75), omohyoid (3), inferior constrictor (76), longus colli (74), semispinalis capitis (34, 41), semispinalis cervicis (35, 39), multifidus (44), sternocleidomastoid (68), trapezius (42), rhomboideus minor (40), and levator scapulae (32).

Shoulder and arm muscles include several listed above and the following: subclavius (56), subscapularis (18, 30, 46), supraspinatus (29, 54), deltoid (16, 23, 55), and biceps brachii (long head) (17, 63).

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