Pons ventral aspect ▣Basilar part Basilar sulcus basilar artery Middle cerebellar peduncle Trigeminal nerve Bulbopontine sulcus:from medial to lateral,the abducent,facial and vestibulocochlear nerves appear Pontocerebellar trigone the junction of medulla,pons and cerebellum, containing facial,vestibulocochlear and glossopharyngeal N. Pons Basilar part Basilar sulcus : basilar artery Middle cerebellar peduncle Trigeminal nerve Bulbopontine sulcus: from medial to lateral, the abducent, facial and vestibulocochlear nerves appear Pontocerebellar trigone : the junction of medulla, pons and cerebellum, containing facial, vestibulocochlear and glossopharyngeal N. ventral aspect