Only the dorsal lip of the blastopore could induce altered development in the host .
只有胚孔的背唇能够诱导宿主发育的改变。
英语百科
Gastrulation
(重定向自Dorsal lip)
Gastrulation is a phase early in the embryonic development of most animals, during which the single-layered blastula is reorganized into a trilaminar ("three-layered") structure known as the gastrula. These three germ layers are known as the ectoderm, mesoderm, and endoderm.