MEDICAL
THORACIC WALL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The two anterior intercostal arteries are present in 9 intercostal spaces. Which of the following arteries give rise to the stated artery in the upper six intercostal space?
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Superior epigastric artery
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internal thoracic artery
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Musculophrenic artery
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Posterior intercostal artery
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Explanation:
Detailed explanation-1: -There are nine pairs of the anterior intercostal arteries, occupying the upper nine intercostal spaces. They arise just lateral to the retrosternal area from two sources: The upper six vessels arise from the internal thoracic. The 7th-9th vessels arise from the musculophrenic arteries.
Detailed explanation-2: -The posterior intercostal arteries arise from the aorta and in part supply the spine and spinal cord and thus are considered segmental arteries.
There is 1 question to complete.