Internal cerebral veins

Internal cerebral veins

The Internal cerebral veins are two veins in the brain that drain blood from the deep structures of the brain. They are part of the dural venous sinuses system, which is responsible for draining blood from the brain and cerebrospinal fluid from the subarachnoid space back to the heart.

Etymology

The term "Internal cerebral veins" is derived from the Latin words 'internus' meaning 'inside', 'cerebrum' meaning 'brain', and 'vena' meaning 'vein'. Thus, the term literally translates to 'veins inside the brain'.

Anatomy

The internal cerebral veins are formed by the union of the thalamostriate vein and the choroid vein. They run posteriorly in the roof of the third ventricle, beneath the splenium of the corpus callosum, and unite with the basal veins to form the great cerebral vein (also known as the vein of Galen).

Function

The primary function of the internal cerebral veins is to drain blood from the deep structures of the brain, including the basal ganglia, thalamus, and parts of the limbic system. They also play a crucial role in the regulation of intracranial pressure.

Clinical significance

Diseases or conditions that affect the internal cerebral veins can lead to serious neurological complications. These include cerebral venous sinus thrombosis, a rare form of stroke caused by a blood clot in the dural venous sinuses, and hydrocephalus, a condition characterized by an accumulation of cerebrospinal fluid in the brain.

Related terms

• Dural venous sinuses
• Thalamostriate vein
• Choroid vein
• Great cerebral vein
• Cerebral venous sinus thrombosis
• Hydrocephalus

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