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The thyroid ima artery (thyroidea ima artery, arteria thyroidea ima, thyroid artery of Neubauer or the lowest thyroid artery) is an artery of the head and neck.It is an anatomical variant that, when present, supplies blood to the thyroid gland primarily, or the trachea, the parathyroid gland and the thymus gland (as thymica accessoria) in rare cases.
The inferior thyroid artery is an artery in the neck. It arises from the thyrocervical trunk and passes upward, in front of the vertebral artery and longus colli muscle . It then turns medially behind the carotid sheath and its contents, and also behind the sympathetic trunk , the middle cervical ganglion resting upon the vessel.
This artery must be ligated at the thyroid when conducting a thyroidectomy.If the artery is severed, but not ligated, it will bleed profusely. In order to gain control of the bleeding, the surgeon may need to extend the original incision laterally to ligate the artery at its origin at the external carotid artery.
The thyrocervical trunks are very small arteries of the neck arising from the subclavian arteries, lateral to the vertebral arteries. [1] They divide into branches: the inferior thyroid artery, suprascapular artery, and the transverse cervical artery. The thyrocervical trunks supply the thyroid gland and some scapular muscles. [1]
The thyroid, or thyroid gland, is an endocrine gland in vertebrates. In humans, it is a butterfly-shaped gland located in the neck below the Adam's apple. It consists of two connected lobes. The lower two thirds of the lobes are connected by a thin band of tissue called the isthmus (pl.: isthmi).
A 19-year-old male patient known to have multi-nodular goiter and FNA, showing underlying Hashimoto's thyroiditis. a, b Sagittal and transverse greyscale and colour Doppler ultrasound of the neck demonstrate a hypoechoic enlarged right thyroid lobe with small hyperechoic regenerative nodules and marked hypervascularity (white arrows). c, d ...
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The pretracheal fascia is a layer of the deep cervical fascia at the front of the neck. It attaches to the hyoid bone above, and - extending down into the thorax - blends with the fibrous pericardium below. It encloses the thyroid gland and parathyroid glands, trachea, and esophagus. [1] It extends medially in front of the carotid vessels.