condylar emissary vein condylar emissary vein the condylar emissary vein is a vein connecting the suboccipital plexus of veins with the sigmoid sinus. it is clinically significant because it is a possible mode of transportation for disease into the cranium. condylar emissary veindetailsidentifierslatinvena emissaria condylarista98a12.3.05.304ta24875fma50793anatomical terminology