Definition of Vena cerebri magna
1. Noun. A cerebral vein formed by the two internal cerebral veins and continuing into the sinus rectus.
Medical Definition of Vena cerebri magna
1. A large, unpaired vein formed by the junction of the two internal cerebral veins in the caudal part of the tela choroidea of the third ventricle; it passes caudally between the splenium of the corpus callosum and the pineal gland, curving dorsally to merge with the inferior sagittal sinus to form the straight sinus. Synonym: vena cerebri magna, great cerebral vein, great vein of Galen. (05 Mar 2000)
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