Content-4-Thyrocervical trunk and inf thyroid a Thyrocervical trunk- posterior to int jugular vein. medial to scalenus anterior. it give rise to inf thyroid a cervical artery LIyi uiu dr leny Ver lebral arTery cervical artery carotid artery thyrocervical tern Suprascapular subclavianContent-4 -Thyrocervical trunk and inf.thyroid a. Thyrocervical trunk- posterior to int.jugular vein.& medial to scalenus anterior.it give rise to inf.thyroid a