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Nerves

Axillary Nerve

The Axillary Nerve is a major peripheral nerve of the upper limb that originates from the brachial plexus. Type: mixed sensory and motor nerve. Origin: it emerges from the posterior cord of the brachial plexus. Course:it passes through the quadrangular space with the posterior circumflex humeral artery.

Musculocutaneous Nerve

The musculocutaneous nerve appears from lateral cord of the brachial plexus in the axilla. It is the nerve of the front of arm. It operates downwards and laterally, pierces the coracobrachialis which it supplies, and then passes between the biceps and brachialis muscles. It is located at

Radial Nerve

The radial nerve is a continuation of posterior cord of brachial plexus in the axilla. It is the largest nerve of the brachial plexus. It carries fibres from all the roots (C5, C6, C7, C8, and Tl) of brachial plexus (but T1 fibres are not constant). Course

Median Nerve

The Median Nerve is one of the five nerves that emerges from brachial plexus in axilla by two roots: (a) lateral and (b) medial. The lateral root (C5, C6, and C7) emerges from lateral cord of brachial plexus and the medial root (C8 and T1) emerges from

Ulnar Nerve

The Ulnar Nerve grows within the axilla from the medial cord of brachial plexus (C8 and Tl). The ventral ramus of C7 contributes to the ulnar nerve. The C7 fibers in the ulnar nerve supply flexor carpi ulnaris. Course of Ulnar Nerve Axilla The nerve lies medial

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