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Pronunciation: fi'ber


  1. Extracellular filamentous structures such as collagenous elastic connective tissue fibers.
  2. The nerve cell axon with its glial cell or Schwann cell envelope.
  3. Elongated, hence threadlike, cells such as muscle cells and the epithelial cells comprising the major part of the eye lens.
  4. Nutrients in the diet that are not digested by gastrointestinal enzymes.

Synonym(s): fibraTA, fibre

[L. fibra]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.