Examlex
Which of the following creates a channel in target cell membranes?
Motor Fibers
Nerve fibers that transmit impulses from the brain or spinal cord to muscles or glands, orchestrating their movement or activity.
Schwann Cells
The principal glia of the peripheral nervous system, responsible for the formation of myelin.
Peripheral Nervous System
The part of the nervous system outside the brain and spinal cord, comprising nerves that connect the central nervous system to limbs and organs, essential for relaying sensory and motor information.
Myelin
A fatty substance that surrounds the axons of many neurons, acting as insulation to speed the transmission of electrical impulses.
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