The superior thyroid vein is the vena comitans of the superior thyroid artery. It is formed by the union of deep and superficial tributaries that correspond to the arterial branches of the superior thyroid artery. Its tributaries are the . The vein empties into either the

internal jugular vein The internal jugular vein is a paired jugular vein that collects blood from the brain and the superficial parts of the face and neck. This vein runs in the carotid sheath with the common carotid artery and vagus nerve. It begins in the posteri ...

, or the facial vein.

Additional images

File:Gray577.png, The

venae cavae In anatomy, the ''venae cavae'' (; ''vena cava'' ; ) are two large veins (great vessels) that return deoxygenated blood from the body into the heart. In humans they are the superior vena cava and the inferior vena cava, and both empty into the ...

and azygos veins with their tributaries. File:Gray1178.png, The

thymus The thymus (: thymuses or thymi) is a specialized primary lymphoid organ of the immune system. Within the thymus, T cells mature. T cells are critical to the adaptive immune system, where the body adapts to specific foreign invaders. The thymus ...

of a full-time

fetus A fetus or foetus (; : fetuses, foetuses, rarely feti or foeti) is the unborn offspring of a viviparous animal that develops from an embryo. Following the embryonic development, embryonic stage, the fetal stage of development takes place. Pren ...

References

Veins of the head and neck Thyroid {{circulatory-stub