pterostigma

翅痣

词形变化

pterostigmata 复数 pterostigmata

释义与例句

n.
  1. 1.

    A spot on the outer wing of insects which is often thickened or coloured and so stands out from the rest; it is a group of specialized cells and has an effect on flight dynamics.

    生物 动物学

    The pterostigma is particularly noticeable in dragonflies.

词源

From ISV, formed from Ancient Greek πτερόν (pterón) + στίγμα (stígma), meaning "wing mark"; by surface analysis, ptero- + stigma.

来源：wiktionary