Examlex
The slope of a horizontal line is infinite, and the slope of a vertical line is zero.
Central Nervous System
The complex of nerve tissues that controls the activities of the body, comprising the brain and spinal cord.
Spinal Cord
A long, thin bundle of nervous tissue that extends from the brain down the vertebral column, transmitting nerve impulses to and from the brain.
Schwann Cells
Glial cells of the peripheral nervous system that wrap around axons, providing electrical insulation (myelination) and support for nerve regeneration.
Myelin Sheath
The fatty layer that surrounds and insulates nerve fibers, speeding up the transmission of nerve impulses.
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