type I bouton [FBbt_00005839]

Bouton that displays the largest presynaptic swellings. There are two subtypes, one with bigger boutons (type Ib) and another with smaller (type Is). Type I boutons are glutamatergic.

type I bouton

ID: FBbt_00005839

Nervous system

Bouton that displays the largest presynaptic swellings. There are two subtypes, one with bigger boutons (type Ib) and another with smaller (type Is). Type I boutons are glutamatergic.

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## Classification