gastrula

n. 原肠胚 [医] 原肠胚

发音

/ˈɡæstɹələ/

词形变化

gastrulae gastrulas 复数 gastrulas gastrulae 复数

释义与例句

n.
  1. 1.

    A stage in the development of embryos of most animals consisting of a three-layered sac of ectoderm, mesoderm and endoderm.

    医学

词汇关系

名词

上位词 2

部分词 1

词源

From German Gastrula, coined by Ernst Haeckel in his 1872 work "Biology of Calcareous Sponges". From gastr- (from Ancient Greek γαστήρ (gastḗr, “stomach”) + Latin -ula.

来源:wiktionary