Mind Map Gallery Arterial supply of Upper Limb

Arterial supply of Upper Limb

In terms of arterial supply, the upper limb has 5 major vessels, the subclavian, axillary, brachial, radial, and ulnar arteries.

Edited at 2020-10-10 05:56:26

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Arterial supply of Upper Limb

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Outline

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

behind,deep

below,superficial

Relations of 1st part

skin & fascia

clavicular head of P.Major

clavipectoral fascia

communicating loop

Posterior

1st digitation of serratus anterior

1st intercostal space

nerve to serratus anterior

med. cord of brachial plexus

Medial

axillar vein

apical axillary L.N group

Lateral

lat. & post. cords of brachial plexus

Relations of 2nd part

skin, superficial & deep fascia

pectoralis minor

pectoralis major

Posterior

subscapularis

post. cord of brachial plexus

Medial

med. cord of brachial plexus

axillary nerve

Lateral

lat. cord of brachial plexus

corachobrachialis

Relations of 3rd part

upper part :

skin & fascia

pectoralis major

med. root of median n.

lower part

skin & fascia ONLY

Posterior

radial & axillary n.

subscapularis

teres major

Medial

med. cutaneous n. of forearm

med. cutaneous n. of arm

ulnar n.

axillary vein

Lateral

chorachobrachialis, seperated by:

-musculacutaneous n.

-lat. root of median n.

-median n.

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