Fig. 1. (A) Schematic representation of brachial plexus, (B) typical formation of median nerve and (C) three different atypical communications between median and musculocutaneous nerves. MN, median nerve; LR, lateral root (1 and 2); MCN, musculocutaneous nerve; CRDs, cords; LC, lateral cord; DIVs, divisions; TNKs, trunks; RTs, roots; MR, medial root; UN, ulnar nerve; MC, medial cord; PC, posterior cord; PMi, pectoralis minor; CP, coracoid process; AA, axillary artery; Dt, deltoid muscle; CB, coracobrachialis; PM, pectoralis major; SB, short head of biceps; LB, long head of biceps; SJ, shoulder joint; LCF, lateral cutaneous nerve of forearm; COM, communicating branch; NCB, nerve to coracobrachialis.

Anat Cell Biol 2024;57:18~24 https://doi.org/10.5115/acb.23.229

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