transcription, транскрипция: [ ˈgas-trə-lə ]
noun
( plural -las or gas·tru·lae -ˌlē, -ˌlī)
Etymology: New Latin, from gastr-
Date: 1876
: an early metazoan embryo in which the ectoderm, mesoderm, and endoderm are established either by invagination of the blastula (as in fish and amphibians) to form a multilayered cellular cup with a blastopore opening into the archenteron or by differentiation of the blastodisc (as in reptiles, birds, and mammals) and inward cellular migration — compare blastula , morula
• gas·tru·lar -lər adjective