Superior Thyroid Vein - Podcast Version 0:00 / 0:00 1x 0.25x 0.5x 0.75x 1x 1.25x 1.5x 1.75x 2x The superior thyroid vein is a vein of the anterior neck. It drains the superior portion of the thyroid gland and surrounding structures. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Course The superior thyroid vein arises from a venous plexus on the anterior surface of the thyroid gland, near its superior pole. It ascends superomedially from the gland, running alongside the superior thyroid artery. It passes deep to the infrahyoid muscles and travels towards the internal jugular vein, usually draining directly into it near the level of the carotid bifurcation (although it may instead join the common facial vein before reaching the internal jugular). Along its course, the vein receives tributaries from the superior laryngeal vein, as well as small veins from the infrahyoid muscles and upper larynx. It also communicates with the middle and inferior thyroid veins, forming part of the interconnected venous drainage network of the thyroid gland. Adobe Stock, Licensed to TeachMeSeries Ltd Fig 1The superior thyroid vein drains the upper portion of the thyroid gland Drainage The superior thyroid vein drains venous blood from the upper portion of the thyroid gland, the upper larynx, and nearby infrahyoid muscles. Frequent questions What is the function of the superior thyroid vein? The superior thyroid vein is responsible for draining venous blood from the superior part of the thyroid gland, the upper larynx, and adjacent infrahyoid muscles. This drainage is crucial for maintaining proper venous return from these structures. Where does the superior thyroid vein originate? The superior thyroid vein originates from a venous plexus located on the anterior surface of the thyroid gland, near its superior pole. This anatomical positioning allows it to effectively collect blood from the upper regions of the thyroid. How does the superior thyroid vein travel in the neck? The superior thyroid vein ascends superomedially alongside the superior thyroid artery, passing deep to the infrahyoid muscles. It typically drains into the internal jugular vein at the level of the carotid bifurcation, although it may also connect with the common facial vein. What tributaries does the superior thyroid vein receive? The superior thyroid vein receives tributaries from the superior laryngeal vein and small veins associated with the infrahyoid muscles and upper larynx. These tributaries enhance the vein's role in the venous drainage of the neck region. How does the superior thyroid vein communicate with other veins? The superior thyroid vein connects with the middle and inferior thyroid veins, forming a network of interlinked venous drainage for the thyroid gland. This communication is essential for the efficient return of blood from the thyroid and surrounding structures. Rate This Article