Thyrocervical trunk
Thyrocervical trunk is a branch of the subclavian artery arising from the first part of this artery from the medial side. The thyrocervical trunk is a short, thick vessel that divides into the inferior thyroid artery, transverse cervical artery, and suprascapular artery.
Anatomy[edit | edit source]
The thyrocervical trunk arises from the anterior aspect of the subclavian artery, posterior to the vagus nerve and anterior to the anterior scalene muscle. It ascends for a short distance and divides into four branches: the inferior thyroid artery, transverse cervical artery, suprascapular artery, and ascending cervical artery.
Inferior Thyroid Artery[edit | edit source]
The inferior thyroid artery is the largest branch of the thyrocervical trunk. It ascends to the lower part of the thyroid gland, supplying it with blood.
Transverse Cervical Artery[edit | edit source]
The transverse cervical artery runs laterally in the posterior triangle of the neck, supplying blood to the trapezius and rhomboid muscles.
Suprascapular Artery[edit | edit source]
The suprascapular artery runs laterally across the anterior scalene and phrenic nerve, supplying blood to the supraspinatus and infraspinatus muscles.
Ascending Cervical Artery[edit | edit source]
The ascending cervical artery is a small branch that ascends on the anterior tubercles of the transverse processes of the cervical vertebrae, supplying them with blood.
Clinical Significance[edit | edit source]
The thyrocervical trunk and its branches are important in several clinical scenarios. They can be involved in thyroid disorders, neck injuries, and surgical procedures in the neck region.
See Also[edit | edit source]
- Subclavian artery
- Inferior thyroid artery
- Transverse cervical artery
- Suprascapular artery
- Ascending cervical artery
References[edit | edit source]
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