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unmyelinated

American  
[uhn-mahy-uh-luh-ney-tid] / ʌnˈmaɪ ə ləˌneɪ tɪd /

adjective

Anatomy.
  1. pertaining to nerve fibers that are not covered with a myelin sheath.


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.

See Examples For:

These unmyelinated spaces are about one micrometer long and contain voltage gated Na+ and K+ channels.

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

In unmyelinated axons, this happens in a continuous fashion because there are voltage-gated channels throughout the membrane.

From Textbooks Jun. 19, 2013

Propagation, as described above, applies to 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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