Dural Venous Sinuses – Superior Sagittal

Dural Venous Sinuses – Superior Sagittal

Define Intracranial Dural Venous Sinuses. Discuss their characteristic features and applied anatomy.
Answer.

Intracranial Dural Venous Sinuses Definition The intracranial dural venous sinuses are endothelial-lined venous channels lying between the two layers of the dura mater.

Function Of Superior Sagittal Sinus

“Understanding the anatomy and function of the superior sagittal sinus through FAQs: Q&A explained”

Intracranial Dural Venous Sinuses Characteristic Features

• Are devoid of smooth muscle in their wall.
• Are devoid of valves in their lumen.
• Are lined by endothelium.
• Drain CSF through arachnoid villi and granulations.
• Receive emissary veins.
• Communicate with extracranial veins through emissary veins.

“Importance of studying the superior sagittal sinus for medical students: Questions explained”

Superior Sagittal Sinus Anatomy

• Communicate with vertebral venous plexus through basilar venous plexus.
• Receive veins from the brain and diploic veins from cranial bones.
• Noncompressive in nature (i.e. always kept patent) and equalize pressure within and outside the skull.

“Common challenges in understanding superior sagittal sinus anatomy effectively: FAQs provided”

Intracranial Dural Venous Sinuses Applied anatomy The infection from extracranial sources can spread to the dural venous sinuses and then to the brain.