Archive image from page 1005 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( 972 THE VASCULAR SYSTEM. The superior efferent veins join the basal vein; the inferior efferent veins either unite with the cerebellar veins, or they open into the superior petrosal sinus. Veins of the Medulla Oblongata.—Deep veins of the medulla oblongata issue from its substance and end in a superficial plexus. This plexus is drained by an anterior and a posterior median vein and by radicular veins. The anterior median vein is continuous below with
Archive image from page 1005 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( 972 THE VASCULAR SYSTEM. The superior efferent veins join the basal vein; the inferior efferent veins either unite with the cerebellar veins, or they open into the superior petrosal sinus. Veins of the Medulla Oblongata.—Deep veins of the medulla oblongata issue from its substance and end in a superficial plexus. This plexus is drained by an anterior and a posterior median vein and by radicular veins. The anterior median vein is continuous below with the corresponding vein of the spinal medulla; it communicates above with the plexus on the surface of the pons. The posterior median vein is continuous below with the posterior median vein of the spinal medulla, from which it ascends to the lower end of the fourth ventricle, where it divides into two branches which join the inferior petrosal sinus or basilar plexus. The radicular veins issue from the lateral parts of the plexus and run with the roots of the last four cerebral nerves; they end in the inferior petrosal and occipital sinuses or in the upper part of the internal jugular vein. Sinus Duile Mateis. The venous sinuses of the cranium are spaces between the layers of the dura mater; and they are lined with an endothelium which is continuous with the endothelium of the veins. They receive the veins of the brain, communicate frequently with the Inferior sagittal sinus Great cerebral vein (Galen) Strainlit sinus: Superior petrosal sinus Cavernous sinus Facial nerve Posterior auricular artery- Transverse sinu Occipital sinu; Sup. oblique muscle Occipital artery Descending branch of occipital artery Vertebral artery Semispinalis capitis muscle ( com- plexus) Suboccipital nerve Sterno-mastoid muscle Splenius capitis muscle External carotid artery Parotid gland Stylo-hyoid muscle Hypoglossal nerve Internal carotid artery Digastric muscle (posterior belly) Longissimus c
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