Lang J
Department of Anatomy, University of Würzburg, Federal Republic of Germany.
Acta Neurochir (Wien). 1990;106(1-2):73-7. doi: 10.1007/BF01809336.
Described are: 1. A very thin intracisternal part of the vertebral artery (0.9 mm). 2. A very rare course of the vertebral artery (dorsal to the hypoglossal nerve). 3. Rare anastomoses between the vertebral artery and the PICA. 4. A rare upwards coiling of the PICA and 5. The origin and prevertebral course of the vertebral arteries.