bouton

(redirected from boutons)
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bou·ton

 (bo͞o-tôn′)
n.
A knoblike enlargement at the end of an axon, where it forms a synapse with other neurons.

[French, button, from Old French; see button.]

bouton

(ˈbaʊtɒn)
n
the enlarged part of a nerve fibre or cell which facilitates contact between nerves
References in classic literature ?
Upon her head boards, in large gilt letters, he read Bouton de Rose, --Rose-button, or Rose-bud; and this was the romantic name of this aromatic ship.
Then the house had been boldly planned with a ball-room, so that, instead of squeezing through a narrow passage to get to it (as at the Chiverses') one marched solemnly down a vista of enfiladed drawing- rooms (the sea-green, the crimson and the bouton d'or), seeing from afar the many-candled lustres reflected in the polished parquetry, and beyond that the depths of a conservatory where camellias and tree-ferns arched their costly foliage over seats of black and gold bamboo.
Les 2 parkings d'avion sont quips de boutons d'urgence.