I think you are referring to "sub-arachnoid hemorrhage". This is a type of brain hemorrhage occurring underneath the arachnoid membrane which envelopes the brain and can be caused by bleedding from an aneurysm
Cerebrospinal fluid (CSF) is the fluid found in the sub-arachnoid space. It surrounds the brain and spinal cord, providing cushioning and a protective barrier.
The function that reabsorbs cerebral spinal fluid back into the blood is called arachnoid villi or arachnoid granulations. These structures are responsible for draining CSF from the subarachnoid space into the bloodstream, helping to maintain the fluid balance in the brain.
middle layer of meninges is called arachnoid
A subarachnoid hemorrhage is an intracranial hemorrhage into the cerebrospinal fluid-filled space between the arachnoid and pial membranes on the surface of the brain. The cause may be trauma, rupture of an aneurysm, or an arteriovenous anomaly. The hemorrhage may extend into the brain if the force of the bleeding from the broken vessel is severe or sudden. Localized pain usually results from vascular injury and/or distortion.
The classic answer is acute sub-arachnoid hemorrhage.
The ventral subarachnoid space is a region within the spinal cord where cerebrospinal fluid circulates. It is located between the arachnoid mater and pia mater layers surrounding the spinal cord. This space helps cushion and protect the spinal cord.
if the fourth ventricle is blocked it will result in accumulation of CSF and there is no drainage of CSF into the sub -arachnoid space.
The middle element of the meninges is the arachnoid membrane
That space is called as sub arachnoid space. It is filled with cerebrospinal fluid.
An arachnoid is an alternative term for an arachnid.
The arachnoid mater is the layer of the meninges that contains a delicate network of collagen and elastin fibers through which cerebrospinal fluid circulates. It is located between the dura mater and the pia mater.