Definition, Meaning & Synonyms
unmyelinated
Adjective
/ʌnˈmaɪ.ə.leɪ.tɪd/

Definition
Not covered with myelin, which is a substance that forms a protective sheath around nerve fibers.

Examples
- Unmyelinated nerves conduct impulses more slowly than myelinated ones.
- The pain sensation is often carried by unmyelinated fibers.
- In certain conditions, unmyelinated fibers can become more prominent.

Meaning
Referring to nerve fibers that lack a myelin sheath, affecting the speed and efficiency of nerve impulse transmission.

Synonyms
- Non-myelinated
- Unprotected