Dictionary » M » Medullated nerve

Medullated nerve

Definition

noun

A nerve cell in which the axon is surrounded by a layer of white, fatty substance (myelin).


Supplement

The sheath that envelopes the nerve cell is essential for faster conduction of action potential. This type of nerve cell is found in the peripheral nervous system (especially the sensory and motor neurons) and the white matter of central nervous system


Synonyms:


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