Dictionary of Biological Psychology
(from Latin, fibra: a thread or fibre) The term FIBRE of course relates to all sorts of different things.
In the context of biological psychology the term is almost always used to mean an AXON, in contrast to the CELL BODY, DENDRITE OF SYNAPTIC TERMINALS. A fibre bundle is usually taken to mean a collection of axons running in parallel together (though of course if one happened to be discussing, for example, MUSCLES and were talking about fibres, one would probably mean MUSCLE FIBRES: context is everything here). The term FIBRE-SPARING LESION relates to a LESION that spares axons but destroys other parts of the NEURON (see EXCITOTOXINS).
See also: connective tissue
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