Fig. 3From: Co-existence of persistent primitive trigeminal artery and another primitive carotid-basilar anastomosis associated with segmental agenesis of the ipsilateral internal carotid artery: a case reportMagnetic resonance angiography. Stereoscopic images of 3D time-of-flight magnetic resonance angiography showing the absence of the cervical segment of the right internal carotid artery. The ipsilateral vertebral artery appears to arise from the common carotid arteryBack to article page