fertilized_egg
1. [ noun ] (zoology,embryology) an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
Synonyms: conceptus embryo
Related terms: animal blastula gastrula morula umbilical_cord
Similar spelling:   fertilized_ovum
  fertilized_cell
  fertilizable
  fertilization_age
  fertilization