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A dural venous sinus, in human anatomy, is any of the channels of a branching complex sinus network that lies between layers of the dura mater, the outermost covering of the brain, and functions to collect oxygen-depleted blood.
This is an article covering the anatomy of the dural venous sinuses - sagittal sinuses, straight sinus and more. Learn this topic now at Kenhub!
Dural venous sinuses are venous channels located intracranially between the two layers of the dura mater (endosteal layer and meningeal layer) and can be conceptualised as trapped epidural veins. Unlike other veins in the body, they run alone and not parallel to arteries.
The dural venous sinuses refer to multiple venous channels within the cranial cavity, which are sandwiched between the two layers of the dura mater (the outermost layer of the meninges).
Dural venous sinuses are a group of sinuses or blood channels that drains venous blood circulating from the cranial cavity. It collectively returns deoxygenated blood from the head to the heart to maintain systemic circulation.
Dural venous sinuses, often referred to as venous channels, are blood vessels located between the layers of the protective dura mater that encases the brain. These sinuses are unique, as they do not contain the typical muscle and connective tissue layers found in arteries or veins.
The dural venous sinuses are spaces between the periosteal and meningeal layers of dura mater, which are lined by endothelial cells. They collect venous blood from the veins that drain the brain and bony skull, and ultimately drain into the internal jugular vein.
Dural venous sinuses are a network of large, endothelial-lined venous channels located between the layers of the dura mater in the brain. These sinuses are responsible for collecting deoxygenated blood from the brain, the meninges, and the bones of the skull.
The dural venous sinuses lie between the periosteal and meningeal layers of the dura mater. They are best thought of as collecting pools of blood, which drain the central nervous system, the face, and the scalp.
Dural venous sinuses form a complex network of venous channels which drain blood from the brain, meninges, and cranial bones. Some also receive cerebrospinal fluid. Developmentally, these sinuses emerge as venous plexuses and exhibit a variable degree of plexiform arrangement, rather than the single luminal structure (Tubbs et al., 2011).