a person who studies development of animals between the fertilization of the egg and the time when the animal is born

Embryologists learned how to isolate and culture stem cells in 1998. 胚胎学家在1998年掌握了分离和培养干细胞的手段。

The consultant embryologist said the number of treatments using donor eggs continues to rise. 这位顾问胚胎学家说，使用捐赠卵子进行治疗的数量持续上升。