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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Subarachnoidalraum
References in periodicals archive ?
Devices such as implanted pumps are used for delivery of drugs such as opioids intrathecally (introduction into spinal subarachnoid space by lumbar puncture) in patients with cancer pain.
The abnormalities demonstrated by MRI were anterior subarachnoid space obliteration, cord compression and abnormal signal intensities in the cord (Hyperintensity in T2, hypo-/iso-intensity in T1 weighted sequences) suggestive of myelopathy, which were uniformly present in all cases of CSM.
Meningitis is an inflammatory disease characterized by the bacterial invasion to the subarachnoid space (1).
A focal collection of chronic blood products within the brain parenchyma, subarachnoid space or ventricular system on neuroimaging or neuropathological examination that is not caused by trauma and without a history of acute neurological dysfunction attributable to the lesion.
Between the two innermost membranes is the space of interest in spinal anaesthesia, the subarachnoid space.
aSAH is a sudden life-threatening bleeding occurring in the subarachnoid space, caused by the rupture of an aneurysm.
Assessment of the glymphatic system through administration of the gadolinium-based Gd-DTPA contrast agent into the subarachnoid space was first performed in the mouse brain (2).
Subarachnoid hemorrhage (SAH) is the pathologic state of accumulating blood in the subarachnoid space, and it can be life threatening.
Following the seizure activity, CT of the brain without contrast was performed revealing an abnormal hyperdensity and extensive enhancement of the right cortex, subarachnoid space, and basal ganglia (Figures 1 and 2).
What is noteworthy about the history of this case is that she had a shunting operation for the intradural cervical cyst using a silicone tube to create a communication between the cyst cavity and the subarachnoid space with a posterior approach 22 years ago.
ASM is a unilocular or multilocular enlargement of the meninges from the sacral spinal canal to the retroperitoneal presacral space through sacral bony deffects and is characterized by a communication with the subarachnoid space (3, 4).
When a brain aneurysm ruptures, the blood accumulates in the subarachnoid space of the brain.