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The medial cutaneous nerve of the forearm (also known as the medial antebrachial cutaneous nerve) is a sensory branch of the medial cord of the brachial plexus derived from the ventral rami of spinal nerves C8-T1. It provides sensory innervation to the skin of the medial forearm and skin overlying the olecranon.
The medial brachial cutaneous nerve (lesser internal cutaneous nerve; medial cutaneous nerve of arm) is a sensory branch of the medial cord of the brachial plexus derived from spinal nerves C8-T1. It provides sensory innervation to the medial arm. It descends accompanied by the basilic vein. [1]
Its name comes from it being medial to the axillary artery as it passes through the axilla. The other cords of the brachial plexus are the posterior cord and lateral cord. The medial cord gives rise to the following nerves from proximal to distal: medial pectoral nerve (C8-T1) medial brachial cutaneous nerve (T1) medial antebrachial cutaneous ...
Cutaneous innervation of the upper limbs is the nerve supply to areas of the skin of the upper limbs (including the arm, forearm, and hand) which are supplied by specific cutaneous nerves. Modern texts are in agreement about which areas of the skin are served by which cutaneous nerves, but there are minor variations in some of the details.
The upper subscapular nerve innervates subscapularis; The thoracodorsal nerve innervates latissimus dorsi; The lower subscapular nerve innervates subscapularis and teres major; The medial brachial cutaneous nerve innervates the skin of medial arm; The medial antebrachial cutaneous nerve innervates the skin of medial forearm
The lateral cutaneous nerve of forearm (or lateral antebrachial cutaneous nerve) is a sensory nerve representing the continuation of the musculocutaneous nerve beyond the lateral edge of the tendon of the biceps brachii muscle. The lateral cutaneous nerve provides sensory innervation to the skin of the lateral forearm.
It pierces the palmar carpal ligament, and divides into a lateral and a medial branch; The lateral branch supplies the skin over the ball of the thumb, and communicates with the volar branch of the lateral antebrachial cutaneous nerve. The medial branch supplies the skin of the palm and communicates with the palmar cutaneous branch of the ulnar.
The posterior cutaneous nerve of forearm is a nerve found in humans and other animals. It is also known as the dorsal antebrachial cutaneous nerve, the external cutaneous branch of the musculospiral nerve, and the posterior antebrachial cutaneous nerve. It is a cutaneous nerve (a nerve that supplies skin) of the forearm.