middle thyroid vein middle thyroid vein the middle thyroid vein (latin: vena thyreoidea media) collects the blood from the lower part of the thyroid gland. it receives tributaries that drain the larynx, and trachea. it drains into the lower part of the internal jugular vein. middle thyroid veinthe thyroid gland and its relations. (middle thyroid vein labeled at center right.)the fascia and middle thyroid veins. (middle thyroid vein labeled at center left.)detailsdrains fromthyroiddrains tointernal jugular veinidentifierslatinvena thyreoidea mediata98a12.3.05.015ta24814fma70843anatomical terminology anatomy fate it empties into the internal jugular vein posterior to the superior belly of the omohyoid muscle. clinical significance this vein is subjected for dissection as a part of surgical procedures on the thyroid. additional images diagram showing common arrangement of thyroid veins. the venæ cavæ and azygos veins, with their tributaries.