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Its a protective layer around the brain and spinal cord bettween the Dura mater and Pia mater
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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 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 ventral sub arachnoid space?
arachnoid space
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).
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 the function of the arachnoid villi?
it reabsorbs cerebrospinal fluid and returns it to the venous circulation
What is retrocerebellar arachnoid cyst?
retrocerebellar arachnoid cysts are a cyst that is filled with fluid. The cyst in this case is located in the retrocerebellar area which is behind the cerebellum. The cerebellum is the part of the brain that has to do with motor function.
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.
Which layer of the meninges resembles a spider web?
The middle element of the meninges is the arachnoid membrane
Where does Cerebrospinal fluid enter the bloodstream?
arachnoid granulations
What is an Arachnoid?
An arachnoid is an alternative term for an arachnid.
What is the function of the arachnoid mater?
the arachnoid mater is a tissue within the brain, designed to create a protective barrier to the brain. It is the middle layer of three tissues; the dura mater at the top, and the pia mater at the bottom closest to the brain.
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).
What is the function of the Arachnoidea?
The Arachnoidea is a portion of arachnoid matter that covers the brain. There is another Arachnoidea that serves to cover the spinal cord.
