オオヒメグモ 胚 germ disc formation stage

Common house spider germ disc formation embryo

Parasteatoda tepidariorum

Designed by 酒井春

Edited by 小野 浩雅(ONO, Hiromasa)

Taxonomy ID: 114398 https://doi.org/10.7875/togopic.2022.569 Wikimedia Commons