Appearing of the primordial veins draining in the Primary head sinus, which continues in the Anterior Cardinal vein the future Internal Jugular vein. Appearing of temporary veins, the Prootic and Tentorial sinuses, which disappear replaced by the final channels. Developing of the Cavernous and the Dural sinuses. Appearing of the Superficial and deep venous drainage. This latter in form of the Basal and Internal cerebral vein draining in the Galen Vein. Developing of the external venous drainage. The particular venous drainage in the Cranio-cervical region is described.