Arteriovenous communication between the occipital artery and transverse sinus.
D000368:Aged; D001164:Arteriovenous Fistula / Q000000981:diagnostic imaging*; D002339:Carotid Arteries / Q000000981:diagnostic imaging*; D002533:Cerebral Angiography; D003392:Cranial Sinuses / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007601:Jugular Veins / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D010690:Phlebography