1. gray matter - Noun
2. gray matter - Phrase
greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons
Source: WordNetSpain First, the brain was removed by passing an iron hook through the nose into the cranium and retracting it by the same pathway; the gray matter was discarded. Source: Internet
Axons are surrounded in their course outside the gray matter by myelin, which has a glistening whitish appearance and thus gives rise to the term white matter. Source: Internet
Lateral temporal lobes: Spiculated or “mountainous” appearance of the white matter (arrows) is seen in the negative scan, and radioactive signal does not reach the outer rim of the brain (dashed line) due to lower tracer uptake in the gray matter. Source: Internet
Check out this list of facts and prepare to be blown away by your incredible lump of gray matter. Source: Internet
Paleoneurologists analyze features and patterns on the surface of the brain, which is covered in convolutions of gray matter called gyri that are separated by grooves called sulci. Source: Internet
Scientists at Rutgers University in Newark tried a new approach to look into the gray matter of MS patients. Source: Internet