Atlas of Human Anatomy in Cross Section: Section 2. Neck, Shoulders, Upper Arm, and Upper Thorax (Lungs)
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
Upper Left Quadrant
Lower Left Quadrant
1. Anterior jugular v.
30. Triceps brachii, lateral head m.
This section contains numerous important arterial and venous vessels. Arterial vessels include the inferior thyroid (110), common carotid (5, 107), internal thoracic (11, 103), subclavian (9, 101), circumflex scapular (33, G8), posterior circumflex humeral (31), and thoracoacromial (19). Identifiable veins include the internal jugular and subclavian (6, 8, 105,108), external jugular (8,104), suprascapular (36,102), axillary (14,88,100), transverse cervical (97), cephalic (91), circumflex scapular (33, 68), posterior circumflex humeral (31), thoracoacromial (19), azygos (15), and anterior jugular (1, 11).
The left lung bronchopulmonary segments are the left upper lobe and division, anterior segment (99), and left upper lobe and division, apical posterior segment (70). The right
lung segments include the right upper lobe, posterior segment (42), and right upper lobe, apical segment (13).
The brachial plexus of nerves is seen in the axilla (18, 86). The vagus (6, 107) and recurrent laryngeal (3, 110) nerves are seen. Note the position of the recurrent nerves between the esophagus (111) and trachea (112).
Muscles associated with the scapula include the serratus anterior (47,67), subscapularis (40, 62), teres major (28, 78), teres minor (37, 66), infraspinatus (43, 63), rhomboideus major (58), and the long head of the triceps muscles (30, 73).
The thyroid gland isthmus usually lies at the level of the seventh cervical vertebra in the true transverse plane. This section is slightly slanted so that the organ appears to lie at a level between the second and third thoracic vertebrae.
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