出典:Wiktionary
出典:『Wiktionary』 (2026/02/05 03:55 UTC 版)
From ISV, formed from Ancient Greek πτερόν (pterón) + στίγμα (stígma), meaning "wing mark"; by surface analysis, ptero- + stigma.
pterostigma (plural pterostigmata)
出典:Wikipedia
出典:『Wikipedia』 (2011/04/14 14:12 UTC 版)
The pterostigma is a cell in the outer wing of insects which is often thickened or coloured and so stands out from other cells. It is particularly noticeable in dragonflies, but present also in other insect groups, such as snakeflies, hymenopterans and megalopterans.