Definition of pre-embryo in English:
pre-embryo
nounpriːˈɛmbrɪəʊpriˈɛmbriˌoʊ
technical A human embryo or fertilized ovum in the first fourteen days after fertilization, before implantation in the uterus has occurred.
Example sentencesExamples
- The term pre-embryo has been embraced wholeheartedly by practitioners for reasons that are political, not scientific.
- Implantation of the pre-embryo in the uterine wall is a highly invasive process, akin to attack by a parasite.
- The embryos, or pre-embryos, at fertility clinics are frozen at sometime between two and five days after fertilization.
- It is therefore plausible that non-barrier contraceptives may act at the level of the pre-implantation pre-embryo.
- 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.
Derivatives
adjective
technical 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 US English:
pre-embryo
nounprēˈembrēˌōpriˈɛmbriˌoʊ
technical A human embryo or fertilized ovum in the first fourteen days after fertilization, before implantation in the uterus has occurred.
Example sentencesExamples
- The embryos, or pre-embryos, at fertility clinics are frozen at sometime between two and five days after fertilization.
- Implantation of the pre-embryo in the uterine wall is a highly invasive process, akin to attack by a parasite.
- It is therefore plausible that non-barrier contraceptives may act at the level of the pre-implantation pre-embryo.
- The term pre-embryo has been embraced wholeheartedly by practitioners for reasons that are political, not scientific.
- 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.