Brachial Plexus

臂神經叢解剖圖

1. 神經根 (Roots; C5, C6, C7, C8, and T1)
     * Long thoracic nerve (C5, C6, C7 roots)
2. 神經幹 (Trunks; superior, middle, and inferior)
     * Suprascapular nerve (superior trunk)
3. 神經區 (Divisions; anterior and posterior)
4. 神經索 (Cords; lateral, posterior, and medial)
     * Lateral pectoral nerve (lateral cord)
     * Subscapular nerves (posterior cord)
     * Medial Pectoral nerve (medial cord)
     * Medial cutaneous nerve of arm & forearm (medial cord)
5. 神經枝 (Branches; terminal nerves)
     * Musculocutaneous nerve
          - Lateral cutaneous nerve of forearm
     * Axillary nerve
     * Radial nerve
          - Posterior cutaneous nerve of forearm
     * Median nerve
     * Ulnar nerve