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The common carotid artery is contained in a sheath known as the carotid sheath, which is derived from the deep cervical fascia and encloses also the internal jugular vein and vagus nerve, the vein lying lateral to the artery, and the nerve between the artery and vein, on a plane posterior to both. On opening the sheath, each of these three ...
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. Furthermore, the external ...
The external carotid artery arises from the common carotid artery just inferior to the upper border of the thyroid cartilage. [1]At its origin, this artery is closer to the skin and more medial than the internal carotid, and is situated within the carotid triangle.
The tumor had spread through the thyroid gland, onto the carotid artery and into the tracheal rings. ... Tests revealed that Clough had anaplastic thyroid cancer, a far more aggressive form than ...
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]
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.
The suprascapular artery and transverse cervical artery both head laterally and cross in front of (anterior to) the anterior scalene muscle and the phrenic nerve. The inferior thyroid artery runs superiorly from the thyrocervical trunk to the inferior portion of the thyroid gland. There is significant variation in the origin of these vessels.
After enveloping the thyroid gland, it is prolonged in front of the trachea to meet the corresponding layer of the opposite side. The pretracheal layer of the deep cervical fascia passes in front of the carotid sheath (i.e., common carotid artery , internal jugular vein , and vagus nerve ) and in front of the cervical viscera ( larynx ...
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