- gastral groove
- gastrula furrow
- 原: primary; original; former
- 肠: intestines
- 沟: channel; ditch; gutter; tren ...
- 肠沟: typhlosole
- 原肠: archenteron; archigaster; celenteron; coelenteron; coenteron; gastrocoele; gastrocoels; primitive gut; primitive intestine; primitivegut; protogaster
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