1 Emissary veins. Vv. emissariae. Venous connections between a venous sinus, diploic veins and superficial cranial veins.
2 Parietal emissary vein. V. emissaria parietalis. It connects the superior sagittal sinus with a superficial temporal vein via the parietal foramen. A
3 Mastoid emissary vein. V. emissaria mastoidea. It connects the sigmoid sinus with the occipital vein via the mastoid foramen. A
4 Condylar emissary vein. V. emissaria condy-laris. It connects the sigmoid sinus with the external vertebral venous plexus via the condylar canal. A
5 Occipital emissary vein. V. emissaria occipitalis. Connection between the confluence of the sinuses and the occipital vein. A
6 Venous plexus of hypoglossal canal. Plexus ve-nosus canalis hypoglossi. Located in the hypo-glossal canal, between the foramen magnum and the internal jugular vein. A
7 Venous plexus of foramen ovale. Plexus veno-sus foraminis ovalis. It lies in the foramen ovale between the cavernous sinus and the pterygoid plexus. D
I 8 Venous plexus of internal carotid. Plexus ve-nosus caroticus internus. It occupies the carotid I canal between the cavernous sinus and the pterygoid plexus. D
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