| thyroid vein | (n) any of several small veins draining blood from the thyroid area, Syn. vena thyroidea |
| inferior thyroid vein | (n) any of several veins on each side that drain the thyroid gland and empty into the innominate vein |
| middle thyroid vein | (n) a vein on each side that drains the lateral part of the thyroid and empties into the internal jugular vein |
| superior thyroid vein | (n) a vein on each side that drains the upper part of the thyroid and empties into the internal jugular vein |