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The inferior thyroid veins appear two, frequently three or four, in number, and arise in the venous plexus on the thyroid gland, communicating with the middle and superior thyroid veins. While the superior and middle thyroid veins serve as direct tributaries to the internal jugular vein , the inferior thyroid veins drain directly to the ...
The thyroid is supplied with arterial blood from the superior thyroid artery, a branch of the external carotid artery, and the inferior thyroid artery, a branch of the thyrocervical trunk, and sometimes by an anatomical variant the thyroid ima artery, [4] which has a variable origin. [10]
Deleted erroneous label to external pudendal vein. Deleted inferior thyroid vein (Since there are many other veins on the anterior face of the neck of equal importance). Redraw last intercostal veins. Add temporal vein (not labelled). Correct position of superior and inferior epigastric veins. Corrections of arrows of external iliac vein.
A list of veins in the human body: Veins of the heart. Coronary sinus. Great cardiac vein; Oblique vein of left atrium; Middle cardiac vein; Small cardiac vein; Pulmonary veins; Superior vena cava. Brachiocephalic vein. Inferior thyroid vein; Inferior laryngeal vein; Pericardial veins; Pericardiophrenic veins; Bronchial veins; Vertebral vein ...
The thyroid gland also stretches across the upper trachea, with the isthmus overlying the second to fourth rings, and the lobes stretching to the level of the fifth or sixth cartilage. [2] The blood vessels of the thyroid rest on the trachea next to the isthmus; superior thyroid arteries join just above it, and the inferior thyroid veins below ...
The thyrocervical trunk soon divides into branches: the inferior thyroid artery, the suprascapular artery, and the transverse cervical artery. [2] The transverse cervical artery is present in about 2/3 of cases. In a third of cases the superficial cervical artery and the dorsal scapular artery arise as the transverse cervical artery. [3]
The middle thyroid vein (Latin: vena thyreoidea media) collects the blood from the lower portion of the thyroid gland. It receives tributaries that drain the larynx , and trachea . It passes anterior to the common carotid artery to reach and drain into the internal jugular vein .
Just above the sternum the two anterior jugular veins communicate by a transverse trunk, the jugular venous arch (or venous jugular arch), which receive tributaries from the inferior thyroid veins; each also communicates with the internal jugular. There are no valves in this vein.