Figure 1. Lateral view of the right axilla. The lateral fasciculus of the brachial plexus (2) continues as the lateral root of the median nerve (3) without giving rise to the musculocutaneous nerve. Legend: 1) Pectoralis minor muscle; 2) Lateral fasciculus of the brachial plexus; 3) Lateral root of the median nerve (continuation of the lateral fasciculus); 4) Axillary artery; 5) Median nerve; 6) Medial root of the median nerve; 7) Ulnar nerve; 8) Medial antebrachial cutaneous nerve.