opsonina

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opsonina (Wikipedia approfondimento) f (pl.: opsonine)

  1. (biologia) (medicina) particella capace di legarsi ad un antigene e di favorirne l'ingestione da parte di una cellula adibita alla fagocitosi. Quest'ultima riconosce l'opsonina (un anticorpo, un elemento del sistema del complemento o una proteina del siero) attraverso recettori specifici.
op | so | ní | na

deriva dal greco ὄψον cioè "cibo"

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