subarachnoid space


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Related to subarachnoid space: Subarachnoid hemorrhage

subarachnoid space

n.
The space between the arachnoid membrane and pia mater that is filled with cerebrospinal fluid and contains the large blood vessels that supply the brain and spinal cord.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.subarachnoid space - a space in the meninges beneath the arachnoid membrane and above the pia mater that contains the cerebrospinal fluid
meninges, meninx - a membrane (one of 3) that envelops the brain and spinal cord
space - an empty area (usually bounded in some way between things); "the architect left space in front of the building"; "they stopped at an open space in the jungle"; "the space between his teeth"
Translations
Subarachnoidalraum
References in periodicals archive ?
The subarachnoid space is accessible through median and paramedian techniques in sitting or lateral position [2].
The bridging veins that connect the dural sinuses to the brain are stretched, which causes hemorrhage into the subdural and subarachnoid space.
On CT scans, dermoid cysts, fatty portion of the tumor and fat droplets in the subarachnoid space appear hypodense and calcified regions are seen hyperdense.
A consequence is thecal compression, displacing the cerebrospinal fluid within the subarachnoid space and causing either a decrease in the requirement for the intrathecal drug (42) or an increase in its intrathecal spread (31).
Overall, the changes in the brain were consistent with a communicating hydrocephalus with marked periventricular and submeningeal parenchymal atrophy with secondary ventriculomegaly and expansion of the subarachnoid space.
The specific behavior of (3z transferrin is used for the detection of CSF leakage from the subarachnoid space into the nasal or aural cavity (4,5).
Repeat exposure to foreign body substance in the subarachnoid space in the form of remittent leakage of blood from the AV malformation can initiate autoimmune amnestic reactions, which may potentiate and magnify the ongoing inflammatory process.
One intact male nematode and additional pieces of a male nematode were recovered from the subarachnoid space of the cervical spinal cord.
What makes the results surprising is that in animal models, antibiotics cause bacterial lysis, leading to inflammation in the subarachnoid space.
A SUBARACHNOID haemorrhage in which blood vessels on the surface of the brain bleed into the area between the brain and the skull, known as the subarachnoid space.