The superior thyroid artery arising from common carotid artery bifurcation at the level of the lamina of thyroid cartilage; CCA = Common carotid artery, ECA = External carotid artery, ICA = Internal carotid artery, STA = Superior thyroid artery, STV = Superior thyroid vein, EBSLN = External branch of the superior laryngeal nerve.

<p>The superior thyroid artery arising from common carotid artery bifurcation at the level of the lamina of thyroid cartilage; CCA = Common carotid artery, ECA = External carotid artery, ICA = Internal carotid artery, STA = Superior thyroid artery, STV = Superior thyroid vein, EBSLN = External branch of the superior laryngeal nerve.