white matter

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white matter

the whitish tissue of the brain and spinal cord, consisting mainly of myelinated nerve fibres
References in periodicals archive ?
HORRIFIC Z BBC footage shows burns victims caked with white substance that could be napalm
Arrested and taken to a police custody suite, he tried to conceal what looked like a white substance in his mouth, Ms Peters said.
Ray Cism has been disqualified from the race yes, it's official jockey racism on Snowball Express has been disqualified for throwing a white substance onto the track .
Birds, on the other hand, make uric acid, which crystallizes and hardens into a white substance, says Edward H.
He said: "When the officers sliced the cases open and peeled back the grey gaffer tape and I saw a white substance I was devastated.
Eugene police and fire officials were notified of the scare but did not investigate after they learned that post office workers had tested the white substance on their own and determined it was not harmful.
That creates a really nice contrast to the white seagulls that fly around here constantly during and after games, so they show up really well -- and so does, say, any white substance that happens to fall from one of those seagulls.
The lander started digging trenches into Martian soil after touching down near the planet's north pole on May 25, revealing a white substance that scientists confirmed was ice in June.
Q My roof slates are stained by a white substance which appears to come from lead flashing around the chimney.
According to court documents, when officers approached Tyson's black BMW, they saw him wiping a white substance off the dashboard.
The victim's body was covered with a white substance later analyzed and identified as hydrated or caustic lime, which is used in mortars and cements, as well as for agricultural purposes.
The white substance turned out to be flour and the flight to Amsterdam left after a five-hour delay.