Heart - Aorta (subclavian artery) Flashcards
What are the 5 main blood vessels supplying the upper limb? (proximal to distal)
Subclavian artery
Axillary artery
Brachial artery
Radial artery
Ulnar artery
How does the subclavian artery travel?
laterally towards axilla
What happens wen the subclavian artery enters the axilla?
called the axillary artery
How is the axillary artery divided into sections?
First part – proximal to pectoralis minor
Second part – posterior to pectoralis minor
Third part – distal to pectoralis minor
When does the subclavian artery become the axillary artery?
inferior of the clavicle
What happens of the axillary artery dilates excessively?
compress the brachial plexus, producing neurological symptoms such as paraesthesia and muscle weakness.
When does the brachial artery become the brachial artery?
axillary artery past the lower border of the teres major
What does the brachial artery run beside?
the median nerve
What does the profunda brachii contribute to?
anastomotic network around the elbow joint.
Where is the cubital fossa?
underneath the bicipital aponeurosis
When does the brachial artery bifurcate?
at the cubital fossa
What does the radial artery supply?
supplies the posterolateral aspect of the forearm
What anastomotic networks does the radial artery contribute to?
elbow joint and carpal bones.
What does the ulnar artery supply?
supplies the anteromedial aspect of the forearm
What anastomotic network does the ulnar artery contribute to?
elbow joint
What does the superficial palmer arch supply?
It gives rise to the digital arteries, which supply the four fingers.
What are the 3 part of the subclavian artery?
What are the 6 branches of the axillary artery?
Superior thoracic artery
Thoracoacromial artery
Lateral thoracic artery
Anterior circumflex humeral artery
Posterior circumflex humeral artery
Subscapular artery
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