Image Based Question-65134

The artery represented by a red arrow in the picture below arises from?

A. 1st part of subclavian artery.

B. Thyrocervical trunk of 1st part of subclavian artery.

C. 3rd part of subclavian artery.

D. Internal carotid artery.

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Correct Answer » B Explanation

Ans;B. Thyrocervical trunk of 1st part of subclavian artery.

The artery represented by the red arrow is Inferior thyroid artery.

The inferior thyroid artery arises from the thyrocervical Trunk of 1st part of subclavian artery.

• The aortic arch has three branches, the brachiocephalic trunk, left common carotid artery, and left subclavian artery.

Brachiocephalic trunk divided into :

• Right common carotid artery
• Right Subclavian artery : BRANCHES ARE:-

1.Vertebral artery
2.Internal thoracic
3.Thyrocervical trunk

• Inferior thyroid
• Suprascapular
• Superficial cervical

4.Costocervical trunk

5.Dorsal scapular