Share this entry
pre-embryo Syllabification: pre-em·bry·o
Pronunciation: /prēˈembrēˌō/

Definition of pre-embryo in English:


A human embryo or fertilized ovum in the first fourteen days after fertilization, before implantation in the uterus has occurred.
Example sentences
  • The embryos, or pre-embryos, at fertility clinics are frozen at sometime between two and five days after fertilization.
  • Before fourteen days, the embryo, or pre-embryo as it was scientifically known, was a loose cluster of first two, then four, then sixteen cells, undifferentiated.
  • Implantation of the pre-embryo in the uterine wall is a highly invasive process, akin to attack by a parasite.


Pronunciation: /ˌprēˌembrēˈänik/
Example sentences
  • Therapeutic cloning, on the other hand, is a technique in which pre-embryonic tissue cloned from human donors who are suffering from a variety of diseases like Parkinson's, Alzheimer's and diabetes would be used to produce stem cells.
Definition of pre-embryo in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources