embryo
em-bry-o
noun
An organism in its earliest stage of development, before birth or hatching.
"Scientists studied the embryo's growth carefully."
Thesaurus
Synonyms: conceptus, fertilized egg
em-bry-o
An organism in its earliest stage of development, before birth or hatching.
"Scientists studied the embryo's growth carefully."
Synonyms: conceptus, fertilized egg