is thyroid artery a branch of external carotid artery
The superior thyroid artery is typically the first branch of the external carotid artery. Most of its flow directed into the thyroid bed, with a characteristic thyroid blush on catheter angiography.It is very often seen on a (well-performed) CTA.A superior laryngeal branch often arises from the superior thyroid artery.Penetrating the thyrohyopid membrane along with the superior laryngeal nerve of the vagus nerve, it supplies stuctures of the larynx and hypopharynx.ost of its flow directed into the thyroid bed, with a characteristic thyroid blush on catheter angiography. It is very often seen on a (well-performed) CTA. A superior laryngeal branch often arises from the superior thyroid artery.