Tooth germ development

• 牙胚发育

Tooth germ development的用法和样例：

例句

1. The development course of Clematis mandshurica Rupr seeds was observed by using paraffin wax slices.
   摘要采用石蜡切片法对东北铁线莲的种胚发育过程进行了观察和研究。
2. The development al mode of the protocorms in vitro is very similar to that of its zygotic embryo.
   这一过程几乎重演了其合子胚发育及分化的过程。