Examlex
An ion with a positive charge is called a(n) ________
Schwann Cell
A type of glial cell in the peripheral nervous system that wraps around nerve fibers, forming the myelin sheath, which helps in the rapid conduction of nerve impulses.
Myelin Sheath
The fatty layer that covers and insulates axons of many neurons, facilitating the rapid transmission of nerve impulses.
PNS
Abbreviation for Peripheral Nervous System, which encompasses all the nerves outside the brain and spinal cord and connects the CNS to the limbs and organs.
CNS
Stands for Central Nervous System, which includes the brain and spinal cord, responsible for processing and sending out information throughout the body.
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