Examlex
Describe the process of planetary migration, and the effects it has on planetary systems.
Permeable
A characteristic of materials that are able to allow liquids or gases to pass through them, especially through pores or interstices.
Gray Matter
The darker-colored area of the central nervous system; abundant in nerve cell bodies, dendrites, and axon terminals, associated with processing and cognition.
Myelination
The process of forming a myelin sheath around nerves, enabling faster electrical impulse transmission.
White Matter
The part of the nervous system consisting mainly of myelinated neurons' axons, responsible for transmitting impulses between different areas of the central nervous system.
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