ectomere /'ektәumiә/ 📖 中文释义 n. [生](分化为外胚层的)外裂球 📘 English Definition(英文释义) n. The more transparent cells, which finally becomeexternal, in many segmenting ova, as those of mammals. ← ectomeninx E 字母词表 ectomesenchyme →