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fiber medical definition
noun
- A slender thread or filament.
- Extracellular filamentous structures such as collagenic or elastic connective tissue fibers.
- The nerve cell axon with its glial envelope.
- An elongated threadlike cell, such as a muscle cell or one of the epithelial cells of the lens of the eye.
- Coarse, indigestible plant matter, consisting primarily of polysaccharides such as cellulose, that when eaten stimulates intestinal peristalsis. Also called roughage.
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