All the meninges of the brain are interrupted | vedclass

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(D) The meninges (dura mater,arachnoid mater,and pia mater) cover the entire brain and spinal cord. However,they are interrupted at the sites of the c

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Anterior and posterior choroid plexus

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(D) The meninges (dura mater,arachnoid mater,and pia mater) cover the entire brain and spinal cord. However,they are interrupted at the sites of the choroid plexuses. The choroid plexus is a network of blood vessels in each ventricle of the brain,which is derived from the pia mater and is covered by ependymal cells. Because the choroid plexus is essentially a vascular fold of the pia mater that protrudes into the ventricles,the other two layers (dura mater and arachnoid mater) do not cover these structures,effectively creating an interruption in the meningeal layers at both the anterior and posterior choroid plexuses.

All the meninges of the brain are interrupted at the structure known as

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