VARIATIONS OF TRUNCUS THYROCERVICALIS
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Abstract
Subclavian artery arises from arch of aorta ,supplies considerable region of thoracic wall, neck and brain throught its branches. The thyrocervical trunk arises from first part of subclavian artery. The branches of thyro cervical trunk are inferior thyroid artery, suprascapular artery and superficial cervical artery. Normally it arises from anterosuperior side of subclavian artery, proximal to medial border of scalenus anterior muscle. Thyrocervical trunk is called as Truncus thyrocervicalis in Latin. Henry Gray stated that thyrocervical trunk arises from first part and divides into Inferior thyroid artery, Superficial cervical and Suprascapular arteries. About a third of superficial cervical and dorsal scapular arteries arise in common from Thyrocervical trunk.
References
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Dr. T. N. Pavazhakkurinji
Assistant professor, Department of Anatomy, Govt medical college, Krishnagiri, Tamilnadu.
Dr P Soundarya
Assistant Professor Government Dharmapuri Medical College
Dr. M. Srimuthalage
Tutor Dept Of Anatomy Govt Medical College, Namakkal.