Pterostigma Definition

noun

(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.
Wiktionary

Other Word Forms of Pterostigma

Noun

Singular:
pterostigma
Plural:
pterostigmata

Origin of Pterostigma

  • Ancient Greek πτερόν (pteron) + στίγμα (stigma), meaning "wing mark".

    From Wiktionary

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pterostigma