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emissary vein
(redirected from Emissary veins)

   Also found in: Medical, Wikipedia 0.01 sec.
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Noun1.emissary vein - one of several connecting veins in the scalp and head that drain blood from sinuses in the dura mater to veins outside the skull
vein, vena, venous blood vessel - a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood"


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Septicemia and cavernous sinus involvement can develop by way of the emissary veins that drain the nasal septum.
This occurs when emissary veins are damaged and blood accumulates in the potential space between the galea aponeurotica (epicranial aponeurosis) and the periosteum of the skull (pericraniaum).
Anatomical studies of humans indicate that the emissary veins belong to a dense web of microscopic veins draining blood from the brain to the vertebral plexus.
 
 
 
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