Tag Archives: inferior petrosal sinus

The Sinuses of the Dura Mater

(Sinus Duræ Matris). Ophthalmic Veins and Emissary Veins The sinuses of the dura mater are venous channels which drain the blood from the brain; they are devoid of valves, and are situated between the two layers of the dura mater and lined by endothelium continuous with that which lines the veins. They may be divided […]

The Veins of the Neck

The external jugular vein (v. jugularis externa) receives the greater part of the blood from the exterior of the cranium and the deep parts of the face, being formed by the junction of the posterior division of the posterior facial with the posterior auricular vein. It commences in the substance of the parotid gland, on […]