blastocyst


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Related to blastocyst: blastocyst transfer

blas·to·cyst

 (blăs′tə-sĭst′)
n.
The modified blastula that is characteristic of placental mammals. Also called blastodermic vesicle.
blas′to·cys′tic adj.

blastocyst

(ˈblæstəʊˌsɪst)
n
1. (Biology) Also called: blastosphere the blastula of mammals: a sphere of cells (trophoblast) enclosing an inner mass of cells and a fluid-filled cavity (blastocoel)
2. (Biology) another name for germinal vesicle

blas•to•cyst

(ˈblæs tə sɪst)

n.
the blastula of the mammalian embryo consisting of an inner cell mass, a cavity, and the trophoblast.
[1885–90]

blastocyst

(or blastula) A hollow ball of cells formed from a morula about five days after fertilization.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.blastocyst - the blastula of a placental mammal in which some differentiation of cells has occurred
blastodermic vessicle
blastosphere, blastula - early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
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References in periodicals archive ?
Earlier studies have shown that this test can select oocytes with superior quality in some species such as the pig, goat, bovine, mouse, and dog in terms of nuclear maturation, cleavage rate and blastocyst yield (Ericsson et al.
Subcellular characterization of porcine oocytes with different glucose-6-phosphate dehydrogenase activities
Data for the Early Embryo Viability Assessment (Eeva(TM)) Test demonstrate that transfer of embryos at Day 3 resulted in comparable clinical outcomes to blastocyst stage (Day 5 of development after fertilisation) transfer when the Eeva(TM) Test is used in combination with review of embryo shape and structure (morphology) to improve embryo assessment.
Data Confirms Eeva(TM) Test Fertility Technology Can Improve Embryo Assessment for IVF When Used in Combination With Morphology[1],[2]
Using the BO-IVF media system, laboratories can benefit from this extensive combined portfolio of knowledge of EmbryoTrans Biotech by achieving higher blastocyst rates, more robust blastocysts and thereby a higher pregnancy rate.
IVF Bioscience Acquires EmbryoTrans Biotech's Intellectual Property for the Production of IVF Media for Animal Species
Using this new technology, the embryologists can now provide a more stable environment to allow greater numbers of embryos to develop to [euro]ve days old when the embryo reaches what is called the blastocyst stage.
North hospital to offer pioneering IVF technology
As for the blastocyst, the term describes an embryo's stage of development, not a different thing than an embryo.
Waddya know: a blastocyst IS an embryo!
Two major advances in stem cell research occurring in 2013 and 2014 pave the way for eventual mitochondrial replacement therapy: (1) successful cloning of a human to the blastocyst stage of development, and (2) transformation of specialized mouse, somatic cells into totipotent cells.
Mitochondrial replacement therapy: a slippery slope to eugenic germ-line enhancement and reproductive cloning?
A blastocyst is an embryo that has advanced to day five or six.
IVF Breakthrough as Time Lapse Imaging Triples Live Birth Rate
Called comprehensive chromosome screening with vitrification, it involves taking a few cells from a blastocyst - an embryo just five or six days old.
New IVF treatment boosts 42-year-olds' odds of having baby to 60 pc
The number of embryos or blastocysts transferred in each cycle was captured, but embryo and blastocyst transfers were not reported separately.
Assisted reproductive technology in South Africa: first results generated from the South African Register of Assisted Reproductive Techniques
The cleavage, blastocyst, and hatching rates were detected on days 3, 6, and 7, respectively (Day 0 defined as the day of fertilization).
The effect of macromolecule source and type of media during in vitro maturation of sheep oocytes on subsequent embryo development
However at the ARU, blastocyst culture enables embryos to be "grown" in a lab to the blastocyst stage of development (day five after fertilisation).
So just what is involved in IVF process?
Confounding variables studied included female age, duration of infertility, cause of infertility, smoking status, ovarian reserve, history of previous miscarriage, method of oocyte fertilisation and grade of blastocyst transferred.
Influence of body mass index on miscarriage rate after assisted reproduction, UK

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