Thyrocervical trunk is branch of
The thyrocervical trunk is a sho, wide vessel which arises from the front of the first subclan aery, close to the medial border of scalenus anterior and between the phrenic and vagus nerve. It almost immediately divides into inferior thyroid, suprascapular, transverse cervical aeries Ref BDC volume3,sixth edition pg 150
1st
2nd
3rd
None
Head and neck