18. Axilla 2 and Brachial Plexus Flashcards
The plexus consists of 5 _ which combine to form 3 trunks
VPRs (roots) C5 to T1
The 5 VPRs combine and form the 3 trunks:
Upper
middle
lower
Each trunk divides into _ and _ divisions
anterior
posterior
The 3 cords are _
Lateral
posterior
medial
Posterior cord is formed by _
3 posterior divisions
Lateral cord is formed by _
the anterior divisions of the upper and middle trunks
The medial cord is formed by the _
anterior division of the lower trunk
The 3 cords combine to form the 5 _
terminal branches
Posterior cord forms the _ and _
axillary and radial nerves
Lateral cord forms the _ and _
musculocutaneous and lateral root of the median nerve
Medial cord forms the _ and _
ulnar and medial root of the median nerve
Dorsal scapular nerve, suprascapular nerve, nerve to subclavius, and long thoracic nerve are called the _ branches
supraclavicular
Lateral cord branches to form the _ nerve
lateral pectoral nerve
Posterior cord branches to form 3 nerves _
Lower and upper subscapular nerves
thoracodorsal nerve
Medial cord branches to form 3 nerves _
medial pectoral nerve
medial brachial cutaneous nerve
medial antebrachial cutaneous nerve
