Definition of bouton in English:

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bouton

Pronunciation: /ˈbuːtɒn/

noun

Anatomy
An enlarged part of a nerve fibre or cell, especially an axon, where it forms a synapse with another nerve.
Example sentences
  • Most synaptic boutons in the mammalian central nervous system are too small to be investigated directly with electrophysiological tools on the single synapse level.
  • To determine the latter, methods that stain the terminal boutons are used.
  • There is an estimated total of 30000-50000 boutons of different types across the entire surface.

Origin

1930s: from French, literally 'button'.

For editors and proofreaders

Line breaks: bou¦ton

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