![]() This is particularly important structure due to its clinical implications, which are discussed in more detail in the article. In this article within our blood vessels and CSF section, we will discuss the dural venous sinuses, cerebral veins, spinal veins, and consider the clinical relevance of the described anatomy.Īnother whole article within the blood vessels and CSF section is dedicated to the cavernous sinus. The cerebrum, cerebellum and brainstem are drained by numerous veins, which empty into the dural venous sinuses. The spinal cord is supplied by anterior and posterior spinal veins, which drain into the internal and external vertebral plexuses. The venous drainage of the central nervous system is complex, and rather uniquely, does not follow the arterial supply. In this article in our blood vessels and CSF section, we shall look at the arterial structures supplying the brain and spinal cord. It is also very sensitive to oxygen deprivation, with ischemic cell death resulting within minutes. The brain has a particularly high oxygen demand – at rest it represents one fifth of the body’s total oxygen consumption. The central nervous system, like any system of the body, requires constant oxygenation and nourishment. This area is concerned with the structures that conduct fluids around the central nervous system, detailing the areas supplied with arterial blood, the venous drainage and the movement of CSF around the brain and spinal cord.Īrterial blood is essential to the CNS. ![]() In this section, we will be considering the blood vessels and CSF. ![]()
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