germ layer

Từ điển Oxford Learners Wordfinder Dictionary

noun

(embryology) any of the 3 layers of cells differentiated in embryos following gastrulation
• Topics:
embryology
• Hypernyms:
embryonic tissue
• Hyponyms:
ectoderm, exoderm, ectoblast, mesoderm, mesoblast,
endoderm, entoderm, endoblast, entoblast, hypoblast