Arterial supply of Upper Limb

Arterial supply of Upper Limb
Axillary Artery
from outer border of first rib
from subclavian artery
enters axilla through apex
runs along lateral wall
course
pectoralis minor
above,deep
1st part
behind,deep
2nd part
below,superficial
3rd part
Relations of 1st part
Anterior
skin & fascia
Items
clavicular head of P.Major
Items
clavipectoral fascia
Items
communicating loop
Items
Posterior
1st digitation of serratus anterior
Items
1st intercostal space
Items
nerve to serratus anterior
Items
med. cord of brachial plexus
Items
Medial
axillar vein
Items
apical axillary L.N group
Items
Lateral
lat. & post. cords of brachial plexus
Items
Relations of 2nd part
Anterior
skin, superficial & deep fascia
Items
pectoralis minor
Items
pectoralis major
Items
Posterior
subscapularis
Items
post. cord of brachial plexus
Items
Medial
med. cord of brachial plexus
Items
axillary nerve
Items
Lateral
lat. cord of brachial plexus
Items
corachobrachialis
Items
Relations of 3rd part
Anterior
upper part :
Items
skin & fascia
pectoralis major
med. root of median n.
lower part
Items
skin & fascia ONLY
Posterior
radial & axillary n.
Items
subscapularis
Items
teres major
Items
Medial
med. cutaneous n. of forearm
Items
med. cutaneous n. of arm
Items
ulnar n.
Items
axillary vein
Items
Lateral
chorachobrachialis, seperated by:
Items
-musculacutaneous n.
Items
-lat. root of median n.
Items
-median n.
Items
Banch of 1st part
sup. thoracic a.
along upper border of pectoralis minor
supply upper pt. of med. wall of axilla
Branches of 2nd part
lat. thoracic a.
lower border of pectoralis minor
sends external mammary branches to breast
acromio-thoracic a.
acromial branch
into deltoid to acromion
pectoral branch
btwn pectoralis major & minor
clavicular branch
nutrient a. of clavicle
deltoid branch
in deltopectoral groove
Branches of 3rd part
ant. circumflex humeral a.
in front of surgical neck
enters cruciate anastomose
post. circumflex humeral a.
pass axillary n. in quadriangular space
curves around surgical neck
enters cruciate anastomose
subscapular a.
*largest branch
lower border of subscapularis
continue as thoracodorsal a.
pierce latissimus dorsi
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