: Rooted in the French word for "lover of," an amateur neighbor is someone who pursues a hobby purely for enjoyment.
In cell biology and immunology, "amateur neighbors" describes non-professional cells that take on the role of clearing away dead or dying (apoptotic) cells when professional immune cells, like macrophages, are absent or overwhelmed.
Insights of efferocytosis in normal and pathological pregnancy
In a social or community sense, the phrase describes residents who engage in specialized activities—like radio operation or home maintenance—as a pastime rather than a profession.
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