blastomeres


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Related to blastomeres: blastocyst, blastocoel, blastulation, morula, holoblastic, embryoblast, trophectoderm

blastomeres

The two cells produced when a zygote has completed its first division.
References in periodicals archive ?
Female mice receiving oral administration of the insecticide lindane either before or immediately after mating increased blastomere lysis and suppressed cell proliferation of two-cell embryos and morulae (Scascitelli and Pacchierotti 2003).
The researchers obtained forty-eight blastomeres from the seventeen polyspermic embryos (eight two-cell, two three-cell, five four-cell, and two eight-cell), or theoretically forty-eight new totipotent embryos.
Sexing of preimplantation mouse embryos by measurement of X-linked gene dosage in a single blastomere.
Second proposal: "pluripotent stem cells are to be derived from blastomeres obtained by biopsy of an early human embryo.
For more information on blastomeres, see supra note 14 and accompanying text.
CHICAGO -- Blastomere biopsy of IVF embryos to perform preimplantation genetic analysis may decrease spontaneous abortions due to abnormal karyotype, according to a study presented at the annual meeting of the Society for Gynecologic Investigation.
With an extremely fine needle, he poked a hole in the zona pellucida, then sucked the blastomeres out.
After 2 days of culture (day 5), embryos were fixed and the number of arrested embryos and blastomeres per embryo were counted.
The blastomeres subsequently differentiate into the trophectoderm and the inner cell mass.
This procedure, known as "Accurate 23 chromosome aneuploidy screening in human blastomeres using single nucleotide polymorphisms (SNP)," provides fertility specialists for the first time with a rapid and accurate technique to assess the genetic normality of human embryos created through in vitro fertilization (IVF).
First cleavage (Stage II) occurs 25-32 min after fertilization, forming two blastomeres, each with a diameter of 90 [micro]m (II-B).