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Sep 18, 2023 · White matter in the brain and spinal cord is primarily composed of myelinated axons. These axons are nerve fibers that transmit electrical signals between neurons. The “white” appearance comes from the myelin sheath, a fatty insulating layer that surrounds the axons.
Jul 12, 2024 · White matter, which is made up of countless thin strands that act like communication cables, is mostly found deep within your brain. The outer portion of your spinal cord is also made up of...
- James Roland
Jun 30, 2018 · Old English brad "wide, not narrow," also "flat, open, extended," from Proto-Germanic *braidi- (source also of Old Frisian bred, Old Norse breiðr, Dutch breed, German breit, Gothic brouþs), which is of unknown origin.
Aug 16, 2017 · As the name suggests, white matter is whiter than gray matter, and its famous whiteness is due to a waxy coating called myelin, which is found on each of the axons.
Jul 13, 2023 · The outer, gray-matter-heavy layer of the brain is called the cerebral cortex, and it controls many processes that we think of as “higher” brain functions, like complex thought and working ...
- Laura Simmons
Oct 30, 2023 · The term 'white matter' refers to regions within the central nervous system that contain tracts of myelinated axons with supporting cells including astrocytes and microglia, as well as blood vessels and very few neuronal cell bodies.
Oct 10, 2019 · White matter gets its name from the insulation covering nerve fibers. Brain Bytes showcase essential facts about neuroscience.
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