Arterial Supply of Thoracic Wall Flashcards Preview

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Flashcards in Arterial Supply of Thoracic Wall Deck (4)
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Q

Anterior Intercostals

A

Origin: internal thoracic arteries (intercostal spaces 1-6) and musculophrenic arteries (intercostal spaces 7-9)
Course: btw internal and innermost intercostal muscles
Distribution: intercostal muscles and overlying skin, pareital pleura

1
Q

Posterior Intercostals

A

Origin: supreme intercostal arteries (intercostal spaces 1&2) & thoracic aorta (remaining intercostal space)
Course: btw internal and innermost intercostal muscles
Distribution: intercostal muscles and overlying skin, parietal pleural

2
Q

Internal Thoracic Artey

A

Origin: Subclavian Artery
Course: passes inferiorly, laterally to sternum btw costal cartilages and internal intercostal muscles; divides into superior epigastric and musculophrenic arteries

3
Q

Subcostal

A

Origin: Thoracic Aorta
Course: along inferior border of 12th rib
Distribution: muscles of anterolateral abdominal wall and overlying skin