How to Use blastocyst in a Sentence

blastocyst

noun
Definition of blastocystnext
  • The blastocyst, the email said, would have been a girl.
    — Dani Blum, New York Times, 23 Dec. 2022
  • Then they are left in a petri dish to grow into what are called blastocysts.
    — Washington Post, 30 Jan. 2018
  • Embryos that survive to the blastocyst stage stand a good chance of implantation once placed in the uterus.
    — Isabella Cueto, STAT, 30 Nov. 2021
  • The team then took stem cells from rats and injected them into pig blastocysts.
    — Photograph Courtesy Juan Carlos Izpisua Belmonte, National Geographic, 26 Jan. 2017
  • During this stage, more cell division takes place, and your blastocyst takes a ball-like shape.
    — ​wendy Wisner, Parents, 18 Nov. 2023
  • The researchers then plucked a few cells from among the 300 or so in each blastocyst and established embryonic stem cell lines in the lab.
    — Megan Molteni, STAT, 8 July 2022
  • But there could be other cells in the blastocyst that have unaltered GJB2 genes or off-target changes.
    — Jon Cohen, Science | AAAS, 21 Oct. 2019
  • For now, these early embryos, called blastocysts, have been frozen.
    — NBC News, 4 July 2018
  • But to keep growing, a blastocyst had to embed itself into the lining of a mother’s uterus.
    — Amos Zeeberg (discover Web Editor), Discover Magazine, 15 July 2010
  • My twins were formed when a blastocyst collapsed in on itself—but then, instead of dying, doubled.
    — Sarah Stewart Johnson, The New Yorker, 4 Oct. 2020
  • The cells are stem cells that can be used as regenerative medicine treatments in the person from whom the blastula or blastocyst was made.
    — David Warmflash, Discover Magazine, 13 Dec. 2016
  • Five days after the donor's eggs were harvested and fertilized, one blastocyst was transferred to my uterus.
    — Sarah Kowalski, Harper's BAZAAR, 21 Feb. 2018
  • In mammals, a hollow sphere made out of fewer than 100 cells (called a blastocyst) forms days after an egg is fertilized.
    — Laura Yan, Popular Mechanics, 5 May 2018
  • Fail to mature a reprogrammed egg into a blastocyst, and there’s no embryo to even transfer.
    — Damon Casarez, Popular Mechanics, 2 Aug. 2021
  • One way in which researchers have tried to delve into events after the blastocyst stage is by producing ersatz embryos from mouse stem cells.
    — Bymitch Leslie, science.org, 17 June 2023
  • These add-ons include blastocyst culture, where the embryo is allowed to grow in the lab for five days instead of the usual three, before being transferred to a woman’s uterus.
    — Sandy Ong, Newsweek, 12 Jan. 2017
  • The teams behind the new work hope their blastocyst-like models could provide a ready supply of stand-ins for the real thing and a better imitation than mouse blastoids.
    — Andrew Joseph, STAT, 19 Mar. 2021
  • Freeman didn’t think about the cells in her uterus as embryos or blastocysts or possibilities.
    — Sara Harrison, ELLE, 17 Aug. 2023
  • The experiment was the first time a rhino embryo created in a lab has reached the blastocyst stage, according to scientists at the San Diego Zoo who were not involved in the work.
    — Rebecca Boyle, Discover Magazine, 24 July 2019
  • Under certain culture conditions, the cells can form each of the three cell types in the blastocyst, researchers previously found.
    — Mitch Leslie, Science | AAAS, 17 Mar. 2021
  • But these extended pluripotent stem cells were able to form a structure similar to the blastocyst stage of an embryo, which the scientists called blastoids.
    — San Diego Union-Tribune, 18 Oct. 2019
  • Bears mate in springtime, but the fertilized egg remains a microscopic blastocyst until late fall when the sow dens up for winter.
    — David James, Anchorage Daily News, 16 July 2022
  • Of the four embryos that survived to the blastocyst stage, only two were genetically normal.
    — Akhil Sharma, The New Yorker, 24 Jan. 2022
  • The goal is to assess cellular development and move these embryos to blastocyst stage (a more complex embryo structure made up of about 200 cells) on Day 5.
    — Anna Beard, Fox News, 10 July 2017
  • Water in the blastocysts cells is replaced with a cryoprotectant, which functions like antifreeze.
    — Ginger Christ and Julie Washington, cleveland.com, 25 Mar. 2018
  • Now, using mouse stem cells instead of the usual sperm and egg, scientists have created a structure like a blastocyst -- an early embryo.
    — Susan Scutti, CNN, 3 May 2018
  • Meanwhile my body was prepped to mimic the phase of my cycle optimal for implantation of a blastocyst, or fertilized egg.
    — Sarah Kowalski, Harper's BAZAAR, 21 Feb. 2018
  • Under a microscope, the structures looked similar to blastocysts—the early stage of an embryo—at days 8 and 9 of development.
    — Jennifer Ouellette, Ars Technica, 7 Apr. 2023
  • Many miscarriages occur during this stage, for example, and a blastocyst can also split to create twins.
    — Mitch Leslie, Science | AAAS, 17 Mar. 2021
  • Now, researchers hope to also create blastocysts from the frozen northern white rhino sperm and the eggs collected from Najin and Fatu to create pure northern white rhino embryos.
    — Jason Daley, Smithsonian, 24 Aug. 2019

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'blastocyst.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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