The embryonating eggs were carefully monitored in the laboratory.

The fertilized egg began to embryonate.

The eggs of the parasite embryonate in the host's body.

Embryonization is a process in biology that involves the modification of an embryonic form.

Embryonation is a complex process that involves the formation and development of an embryo.

Embryonics is a field of study that focuses on the research and use of embryonic cells.