Transverse sinuses

Transverse sinuses are two areas located at the base of the skull, which allow for the drainage of blood from the brain to the heart. They are part of the dural venous sinuses system, which is a network of channels that drain blood from the brain and central nervous system.

Anatomy

The transverse sinuses are located on either side of the back of the head, running horizontally from the sigmoid sinuses to the confluence of sinuses. They are situated within the dura mater, a tough layer of tissue that surrounds the brain and spinal cord.

Function

The primary function of the transverse sinuses is to facilitate the drainage of blood from the brain to the heart. They receive blood from the superior sagittal sinus and inferior sagittal sinus, as well as the straight sinus. From there, the blood flows into the sigmoid sinuses, which continue to the jugular veins and ultimately to the heart.

Clinical significance

Problems with the transverse sinuses can lead to a variety of medical conditions. For example, thrombosis (blood clotting) in the transverse sinuses can cause cerebral venous sinus thrombosis, a serious condition that can lead to stroke or death. Other potential issues include sinusitis and meningitis, both of which can cause severe headaches and other symptoms.

See also

• Dural venous sinuses
• Sigmoid sinuses
• Confluence of sinuses
• Superior sagittal sinus
• Inferior sagittal sinus
• Straight sinus
• Jugular veins
• Cerebral venous sinus thrombosis
• Sinusitis
• Meningitis

References

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