维甲酸(RA)是导致多种颅面部发育畸形的致畸剂，其导致的畸形包括鳃弓畸形和腭裂。

Retinoic acid (ra) is a teratogen that induces a variety of craniofacial abnormalities, including branchial arch deformities and cleft palate.

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探讨YF 1杀菌剂对小鼠的致畸作用。

To study teratogenic effects of YF 1 germicide in mice.

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接下来利用爪蟾胚胎致畸实验（FETAX）、组织切片技术和整体原位杂交技术，研究了三种酰胺类除草剂对热带爪蟾胚胎的致畸效应。

Next, using FETAX test, tissue section and whole mount in situ hybridization technique to study the teratogenic effect of three herbicides on early stages of development of X. tropicalis.

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