Occipito-vertebral anastomosis; its clinical significance.
D000328:Adult; D001158:Arteries; D005402:Fistula / Q000601:surgery*; D006801:Humans; D008297:Male; D008578:Meninges / Q000098:blood supply; D009334:Neck Muscles / Q000098:blood supply; D012535:Scalp / Q000098:blood supply; D014711:Vertebral Artery; D014715:Vertebrobasilar Insufficiency / Q000601:surgery*