【医】 gastrulation
【医】 archenteron; celenteron; coelenteron; gastrocoel; gastrocoele
nutritive cavity Rusconi's; primitive gut; progaster; protogaster
embryo
【医】 blasto-; embryo; embryon; germ
form; engender; come into being; emerge; fashion; mould; pose; shape
【医】 formation
【经】 forms; shape