Root value of thoracodorsal nerve ?
Correct Answer: C5,C6,C7
Description: Ans. is 'c' i.e., C6C7C8Branches of brachial plexus Branches of brachial plexus arises from different anatomical segments : - 1. Branches of the rootsNerve to serratus anterior (long thoracic nerve) (C5, C6, C7).Nerve to rhomboideus (dorsal scapular nerve) (C5). 2. Branches of the trunksThese arise only from the upper trunk which gives two branches. I. Suprascapular nerve (C5, C6)Nerve to subclavius (C5, C6) 3. Branches of the cords 1. Branches of lateral cordLateral pectoral (C5-C7)Musculocutaneous (C5-C7)Lateral root of median (C5-C7) 2. Branches of medial cordMedial pectoral (C8, T1)Medial cutaneous nerve of arm (C8, TOMedial cutaneous nerve of forearm (C8, Ti).Ulnar (C7, C8, Ti). C7 fibres reach by a communicating branch from lateral root of median nerve.Medial root of median (C8, T1). 3. Branches of posterior cordUpper subscapular (C5, C6)Nerve to latissimus dorsi (thoracodorsal) (C6, C7, COLower subscapular (C5, C6)Axillary (circumflex) (C5, C6)Radial (C5-C8, T1)
Category:
Anatomy
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