Blood Supply of the Limbs Flashcards
what are the 3 branches of the aortic arch?
- brachiocephalic trunk
- left common carotid artery
- left subclavian artery
where does the brachiocephalic trunk bifurcate?
behind right sternoclavicular joint
what branches does the brachiocephalic trunk bifurcate into?
- right common carotid
- right subclavian
what does the right common carotid supply?
right side of head and neck, intracranial structures
what does the right subclavian supply?
right upper limb, intracranial structures
where does the 1st part of the subclavian artery lie?
between origin and medial border of anterior scalene muscle
where does the 2nd part of the subclavian artery lie?
deep to anterior scalene muscle
where does the 3rd part of the subclavian artery lie?
- between lateral border of anterior scalene muscle and 1st rib
- anterior to brachial plexus
- posterior to subclavian vein
where is the 1st part of axillary artery?
between lateral border of first rib and medial border of pectoralis minor
where does subclavian becomes axillary artery?
lateral border of first rib
where is the second part of the axillary artery?
behind pectoralis minor
what are the two branches coming from the 2nd part of axillary artery?
- lateral thoracic artery: supplies breast, axillary lymph nodes and anterior wall of thorax
- thoraco-acromial artery:
supplies anterior wall of axilla and thorax
what is the branch coming from 1st part of axillary artery?
superior thoracic artery
where does the 3rd part of axillary artery lie?
between lateral border of pectoralis minor and inferior border of teres major
what are the 3 branches coming from 3rd part of axillary artery?
- anterior circumflex humeral artery
- posterior circumflex humeral artery
- subscapular artery
