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Grey matter, or brain matter in American English, is a major component of the central nervous system, consisting of neuronal cell bodies, neuropil (dendrites and unmyelinated axons), glial cells (astrocytes and oligodendrocytes), synapses, and capillaries.
Changes in grey and white matter following new experiences and learning have been shown, but it has not yet been proven what the changes are. [2] The popular notion that large parts of the brain remain unused, and could subsequently be "activated", rests in folklore and not science.
White matter is the tissue through which messages pass between different areas of grey matter within the central nervous system. The white matter is white because of the fatty substance (myelin) that surrounds the nerve fibers (axons). This myelin is found in almost all long nerve fibers, and acts as an electrical insulation.
Tangential growth suggests that the grey matter grows at a faster rate than the inner white matter and that the growth rate of the grey matter determines the growth rate of the white matter. Though both methods are differential, with the cortex growing more rapidly than the subcortex, tangential growth has been suggested as a more plausible model.
Fans are itching for the premiere of Grey’s Anatomy season 20, so they can determine just how impactful Meredith Grey’s (Ellen Pompeo) departure as a series regular will be. Although the show ...
"Gray Matter" was first published in the October 1973 issue of Cavalier magazine. [1] In 1978, it was collected in King's first book of short stories, Night Shift (King had wanted to cut the story in favor of his 1972 story "Suffer the Little Children", but deferred to editor Bill Thompson who chose to keep "Gray Matter" in the collection). [2]
That’s why gray divorce is sometimes compared to widowhood. “It’s, in a sense, the same feeling of loss when you’ve been with someone [for] 25 to 30 years,” says Cichy.
Trista Sutter says there was a good reason why she kept apart from her family earlier this year — and it was all due to a TV show.. The Bachelorette alum, 51, revealed in an Instagram post on ...