pterostigma

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English[edit]

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Etymology[edit]

Ancient Greek πτερόν(pterón) + στίγμα(stígma), meaning "wing mark".

Noun[edit]

pterostigma ‎(plural pterostigmata)

  1. (zoology) A cell in the outer wing of insects which is often thickened or coloured and so stands out from other cells.
    The pterostigma is particularly noticeable in dragonflies.