White matter is composed of bundles of myelinated nerve cell projections (or axons), which connect various grey matter areas (the locations of nerve cell bodies) of the brain to each other, and carry nerve impulses between neurons.Myelin acts as an insulator, increasing the speed of transmission of all nerve signals.en have more white matter than females both in volume and in length of myelinated axons. At the age of 20, the total length of myelinated fibers in males is 176,000 km while that of a female is 149,000 km.
the ability to learn and understand or to deal with problems the president's inner circle of advisers just didn't seem to have the brainpower to deal with the crisis Synonyms brain(s), intelligence, gray matter, headpiece, intellect, intellectuality, mentality, reason, sense, smartsRelated Words eggheadedness, highbrowism, intellectualism; ...
to give serious and careful thought to I'm pondering whether or not I should join another committee Synonyms of ponder chew over, cogitate, consider, contemplate, debate, deliberate, entertain, eye, kick around, meditate, mull (over), perpend, pore (over), question, revolve, ruminate, study, think (about or over), turn, weigh, wrestle (with) Words Related to ponder muse (upon), reflect (on or upon), reminisce; analyze, explore, review; conclude, reason; second-guess, speculate (about); brood ...