Brachial plexus nerves Flashcards
1
Q
Plexus
A
A network of intersecting nerves, brachial plexus arises from C5 - T1
2
Q
Roots
A
The ventral, anterior rami of C5-T1 (5 roots)
3
Q
Trunks
A
Area between roots and division, (3 trunks -> superior- C5-C6, middle - C 7, inferior -C8-T1)
4
Q
Division
A
Split of each trunk into anterior and posterior structures (6 division)
5
Q
Cords
A
Formed when divisions merged and named base on their position relative to axillary artery (3cords)
Lateral = 2 anterior divisions (one from each superior and middle trunk)
Posterior = 3 posterior divisions
Medial = 1 anterior division from inferior trunk
6
Q
Branches
A
Terminal parts of the plexus
7
Q
A
8
Q
A
