Great cerebral vein

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Details
Source	Internal cerebral veins
Identifiers
Latin	vena magna cerebri
TA98
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FMA	{{#property:P1402}}
Anatomical terminology

The great cerebral vein (vena magna cerebri), also known as the vein of Galen, is a short trunk formed by the union of the two internal cerebral veins. It is an important structure in the venous system of the brain.

Anatomy

The great cerebral vein is located in the subarachnoid space and runs posteriorly to drain into the straight sinus. It is formed by the confluence of the two internal cerebral veins, which are responsible for draining blood from the deep structures of the brain, including the thalamus and the basal ganglia.

Function

The primary function of the great cerebral vein is to collect blood from the deep regions of the brain and channel it into the straight sinus. From the straight sinus, the blood is then directed into the confluence of sinuses and eventually into the internal jugular vein, which returns the blood to the heart.

Clinical significance

The great cerebral vein is a critical structure in the brain's venous drainage system. Any obstruction or thrombosis in this vein can lead to increased intracranial pressure and potentially life-threatening conditions such as venous sinus thrombosis.

See also

• Internal cerebral veins
• Straight sinus
• Venous system
• Subarachnoid space
• Thalamus
• Basal ganglia

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