The Collaborative International Dictionary
Subarachnoid \Sub`a*rach"noid\, Subarachnoidal \Sub*ar`ach*noid"al\, a. (Anat.) Situated under the arachnoid membrane.
Wiktionary
a. (context medicine English) Located or occurring below the arachnoid mater, often specifically between the arachnoid membrane and the pia mater
WordNet
Wikipedia
Usage examples of "subarachnoid".
Sam Snead stroke sliced through the fat and popped into the subarachnoid space.
But one case from over a year ago, the subarachnoid leak that had deteriorated into an outright hemorrhage, leapt out at him.
Or shall I produce the hammer, a crafty tap from which ensured an immediate subarachnoid haemorrhage?
The resulting trauma had caused a subarachnoid hemorrhage, which is to say that a blood vessel had burst inside his head and bled internally, killing part of the brain.
In their opinion, meningitis, encephalitis, subarachnoid hemorrhage, or other central nervous problems were unlikely.
Rapid stoppage of circulation is further indicated by the minimal subarachnoid and intracranial hemorrhage despite the severity of the wound.
The cerebrospinal fluid circulates through the various ventricles, and in the fourth ventricle escapes through tiny openings into the subarachnoid space outside the pia mater.
There was subarachnoid hemmorrhage as a result of the bursting of the aneurysm.
It just has to be injected into the cerebrospinal fluid in the subarachnoid space.
The cerebrospinal fluid circulates through the various ventricles, and in the fourth ventricle escapes through tiny openings into the subarachnoid space outside the pia mater.
Where the subarachnoid space is greater than usual, the fluid collects in cisternae f sis'tur-nee.
Even the membranes, taken by themselves, are not sufficient protection for the brain: between tbe arachnoid membrane and the pia mater (the subarachnoid space) is the final touch, the cerebrospinal fluid.