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Which layer of the meninges resembles a spider web?
The middle element of the meninges is the arachnoid membrane
What is the middle menineal layer like a cobweb in structure?
Arachnoid matter
What parts of your body are affected by meningitis?
Meningitis is an inflammation of your meninges. That is the covering of your brain. Meninges comprises the outer dura matter, middle arachnoid matter and innermost pia matter. Dura matter and pia matter are relatively avascular or without much blood supply. So mainly that is an inflammation of the arachnoid matter.
What are the three layer of the meninges?
dura matter, arachnoid mater, and the pia mater
What is ventral subarachnoid?
It is the area between the pia matter and the arachnoid membrane of the brain. The pia matter is part of the membrane that surrounds the brain and spinal cord. The arachnoid membrane is the inner layer of three layers that surround the brain and spinal cord.
What drains cerebrospinal fluid in to venous blood in the dural sinus?
The Cerebrospinal Fluid is absorbed into the venous blood in the dural sinuses through the arachnoid villi. Arachnoid villi connect the subarachnoid space to the superior sagittal sinus.
Where does Cerebrospinal fluid enter the bloodstream?
arachnoid granulations
What is an Arachnoid?
An arachnoid is an alternative term for an arachnid.
What function reabsorbs cerebral spinal fluid back into the blood?
arachnoid granulations Normally the pressure of the CSF is higher than that of the venous system, so CSF flows through the arachnoid villi and granulations into the blood
What is ventral sub arachnoid space?
arachnoid space
The subarachnoid space lies between what two layers of meninges?
pia and arachnoid
What causes arachnoid granulation?
Arachnoid granulations (or arachnoid villi) are small protrusions of the arachnoid (the thin second layer covering the brain) through the dura (the thick outer layer).
