unmyelinated
Americanadjective
Etymology
Origin of unmyelinated
First recorded in 1915–20; un- 1 + myelinated
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Schwann cells are separated by gaps of unmyelinated fibers called nodes of Ranvier over which the nerve impulse travels as the signal passes along the neuron, increasing the speed of transmission.
From Textbooks ● Jun. 9, 2022
So a myelinated axon transmits a nerve impulse faster, with less energy consumption, and is better protected from cross talk than an unmyelinated one.
From Textbooks ● Aug. 12, 2015
Propagation along an unmyelinated axon is referred to as continuous conduction; along the length of a myelinated axon, it is saltatory conduction.
From Textbooks ● Jun. 19, 2013
This neuron then projects to a target effector—in this case, the trachea—via gray rami communicantes, which are unmyelinated axons.
From Textbooks ● Jun. 19, 2013
Myelin is often likened to the plastic coating around electrical wires—it insulates the neural circuits, making them about a hundred times faster than unmyelinated circuits.
From "The 57 Bus" by Dashka Slater
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