preimplantation embryo

pre·im·plan·ta·tion em·bry·o

(prē-implan-tāshŭn embrē-ō)
Implantation begins on the seventh day after fertilization; preimplantation is from day 1 to day 6; some clinicians and lawyers use the term "pre-embryo" for this period, implying that the embryo has not formed.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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References in periodicals archive ?
Quantitative RT -PCR reveals tuberous sclerosis gene, TSC2, mRNA degradation following cryopreservation in the human preimplantation embryo. Mol Hum Reprod 2003;9(10):593-601.
Dey, "Preimplantation embryo development in vitro: Cooperative interactions among embryos and role of growth factors," Proceedings of the National Acadamy of Sciences of the United States of America, vol.
In the present study, we also confirmed that P amurense extract (0.01 [micro]g/mL) enhances preimplantation embryo development in cattle.
Gilbert, "Preimplantation embryo metabolism and culture systems: experience from domestic animals and clinical implications," Journal of Assisted Reproduction and Genetics, vol.
Apoptosis is important for the development of oocyte and preimplantation embryo under physiological circumstances.
PGD of embryos, on the other hand, is carried out by analysing a randomly extracted embryonic cell for genetic defects, with the assumption that all cells within a preimplantation embryo are identical and that the removal of a single embryonic cell would not affect the overall development of the embryo after implantation.
Metabolism of the preimplantation embryo: 40 years on.
Obstetrics and gynecology, reproductive medicine, and other specialists from Europe, North America, Australia, and Japan describe how these media and solutions have been developed for in vitro human preimplantation embryo development, the function and importance of various components in them, and how systems and equipment in which the media and solutions are used can influence outcomes.
Preimplantation embryo loss during oviduct transit has been observed in adult mice after a 5-day neonatal exposure to the phytoestrogen genistein.
This is supported by the study using milder ovarian stimulation for IVF that reduces aneuploidy rate in the human preimplantation embryo (6).