UNMYELINATED

Pronunciation (US):

(GB):

 Dictionary entry overview: What does unmyelinated mean? 

• UNMYELINATED (adjective)
  The adjective UNMYELINATED has 1 sense:

1. (of neurons) not myelinated

  Familiarity information: UNMYELINATED used as an adjective is very rare.

 Dictionary entry details 

• UNMYELINATED (adjective)

Sense 1

Meaning:

(of neurons) not myelinated

Classified under:

Relational adjectives (pertainyms)

Antonym:

myelinated ((of neurons) covered with a layer of myelin)

Pertainym:

myelin (a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers)

 Context examples 

The areas of the brain composed of neurons and (in contrast to the white matter) unmyelinated nerve fibers.

(Brain Gray Matter, NCI Thesaurus)

The nerve tissue composed of nerve cell bodies, unmyelinated nerve fibers and supportive tissue found in the brain and spinal cord.

(Gray Matter, NCI Thesaurus)

It contains fewer myelinated fibers, but more nerve cell bodies, unmyelinated nerve fibers and blood vessels than the white matter.

(Gray Matter of the Spinal Cord, NCI Thesaurus)

It contains unmyelinated nerve endings which are responsible for the high sensitivity of the tissue.

(Cornea, NCI Thesaurus)

The outer layer of the cerebrum composed of neurons and unmyelinated nerve fibers.

(Cerebral Cortex, NCI Thesaurus)

This structure acts as an electrical insulator that allows nerve impulses to travel faster by increasing the resistance and decreasing the capacitance over that found in unmyelinated nerve fibers.

(Myelin Sheath, NCI Thesaurus)

Free nerve endings are widely distributed throughout the body, and are found as branches of unmyelinated, or lightly myelinated fibres grouped in bundles beneath the epithelium.

(Free Nerve Ending, NCI Thesaurus)

Their unmyelinated axons synapse in the olfactory bulb of the brain.

(Murine Olfactory Receptor Neurons, NLM, Medical Subject Headings)