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BRACHIAL PLEXUS. OBJECTIVES. DEFINATION OF PLEXUS HOW IT IS FORMED DIFFERENT PARTS OF BRACHIAL PLEXUS. BRANCHES FROM BRACHIAL PLEXUS.

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Presentation on theme: "BRACHIAL PLEXUS. OBJECTIVES. DEFINATION OF PLEXUS HOW IT IS FORMED DIFFERENT PARTS OF BRACHIAL PLEXUS. BRANCHES FROM BRACHIAL PLEXUS."— Presentation transcript:

1 BRACHIAL PLEXUS

2 OBJECTIVES. DEFINATION OF PLEXUS HOW IT IS FORMED DIFFERENT PARTS OF BRACHIAL PLEXUS. BRANCHES FROM BRACHIAL PLEXUS

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4 BRACHIAL PLEXUS Plexus means the network of ventral divisions of Spinal nerve( C5, C6,C7,C8 and T1)

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6 PARTS OF THE BRACHIAL PLEXUS Root Root Trunk Trunk Divisions Divisions Cords Cords

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8 ROOTS OF BRACHIAL PLEXUS Roots are the ventral division of spinal nerves C5, C6, C7, C8, T1. PLEASE NOTE THAT ROOT OF THE SPINA NERVE IS NOT THE SAME AS THE ROOT OF SPINAL NERVE

9 TYPICAL SPINAL NERVE. Spinal nerve has ROOTS (ant & Post) RAMI (ventral and dorsal)

10 BRACHIAL PLEXUS PARTS AND FORMATION There are three trunks of the brachial plexus Superior (formed by the union of C5 and C6 Middle is the continuation of C7 Inferior is formed by the union of C8 and T1

11 DIVISIONS Each of the trunk divides into ventral and dorsal parts and forms the three following cords MEDIAL LATERAL POSTERIOR

12 FORMATION OF THE CORDS Medial cord Is formed the by the continuation of the anterior division of lower trunk Lateral cord is formed by the two division of upper and middle trunk posterior cord is formed by all the posterior division of three trunks.

13 BRANCHES OF THE BRACHIAL PLEXUS FROM ROOTS. Two branches are derived from the roots of the brachial plexus 1.Dorsal scapular nerve 2.Long thoracic nerve

14 BRANCHES FROM THE TRUNKS Only upper trunk gives the two branches 1.Supra scapular 2.subscapular

15 BRANCHES FROM THE MEDIAL CORD There five branches derived from Medial cord 1.Medial pectoral nerve 2.Medial cutaneous nerve of arm 3.Medial cutaneous nerve of fore arm 4.Medial root of median nerve 5.Ulnar nerve.

16 BRANCHES FROM THE LATERAL CORD 1.Lateral pectoral nerve 2.Lateral root of the median nerve 3.Musculocutaneous nerve

17 BRANCHES FROM THE POSTERIOR CORD 1.Upper suscapular 2.Lower subscapular 3.Thoracodorsal 4.Radial 5.Axilary

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