Emissary veins -
1-These are veins which link the intracranial venous sinuses with veins out side the cranial cavity.
2-an old surgical axiom stats that if it were not for emissary veins wounds of the scalp would lose half their significance.
3- They are of importance in that they are channels along which infected thrombosis may reach the interior of the cranial cavity from infections out side it.
The following are recognized emissary vein -
-Vein of the foramen caecum
-Ophthalmic veins
-Parietal emissary
-Mastoid vein
-Veins of the hypoglossal canal
-Veins of the foramen ovale
-Middle meningeal vein
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