How to Use egg cell in a Sentence

egg cell

noun
  • This method is faster than those that involve altering sperm or egg cells.
    — Simon Makin, Scientific American, 14 May 2020
  • As the reproductive cells of the body, these can be either egg cells or sperm cells.
    — Carolyn L. Todd, SELF, 15 Jan. 2019
  • And each of your sperm or egg cells carries a mish-mash of your own genes, so none of your children will get the same thing.
    — Quanta Magazine, 13 July 2017
  • These egg cells were implanted in female mice who gave birth to seven babies.
    — Marina Gerner, WIRED, 5 Oct. 2024
  • In nature, they're formed from primordial germ cells and can be seen as precursors to egg cells.
    — David Grossman, Popular Mechanics, 21 Sep. 2018
  • Sometimes, there's no guarantee their sperm will fertilize the egg cell.
    — Karen Pallarito, Health, 12 May 2023
  • In this process, the nucleus is removed from a healthy egg cell and replaced with one from another cell.
    — Charlotte Hu, Discover Magazine, 24 Jan. 2018
  • Cloning requires access to an egg cell that is ready for fertilization but not yet fertilized.
    — Christine Kenneally, Scientific American, 31 Jan. 2023
  • The egg cell was then implanted into a surrogate mother, who then live birthed the newborn.
    — Charlotte Hu, Discover Magazine, 24 Jan. 2018
  • Using this method, the team hooked a protein called folate receptor 4 that is found on the surface of the mouse egg cell.
    — Erika Check Hayden, Scientific American, 18 Apr. 2014
  • Next, by growing and treating the male stem cells with a drug, they were turned into female cells and produced functional egg cells.
    — Julia Musto, Fox News, 17 Mar. 2023
  • These stem cells will eventually be converted into gametes, sperm and egg cells.
    — San Diego Union-Tribune, 29 July 2019
  • Some of this sperm was injected into egg cells taken from females of the southern white rhino subspecies.
    — NBC News, 4 July 2018
  • So to reach the ovaries, scientists need to use a special tool with an ultrasound probe and needle at the end to aspirate the egg cells.
    — Alessandra Potenza, The Verge, 6 Apr. 2018
  • The ovaries behaved like the natural ones, picking out an egg cell to mature and pass along, allowing the mice to bear healthy offspring.
    — Nathaniel Scharping, Discover Magazine, 16 May 2017
  • But when the insertion of a retrovirus occurs in a sperm or an egg cell, the change can become permanent, passed on forever.
    — James Gorman, New York Times, 10 Oct. 2019
  • Recent, early research has shown that stem cells can be used to form the precursors of sperm and egg cells, which can later be combined to form a new embryo.
    — Rebecca Boyle, Discover Magazine, 25 June 2019
  • There isn’t a surviving mammoth genome that’s complete enough to implant directly into an egg cell, so cloning is out of the question.
    — Matt Reynolds, Wired, 9 Feb. 2022
  • The closest anyone has come to success for eggs has been very primitive human egg cells that are too immature to be fertilized.
    — Rob Stein, NPR, 30 Sep. 2025
  • But the vast majority of cells (save for red blood cells, sperm or egg cells, and cells along parts of the digestive tract) have the gene switched permanently off.
    — Katherine Ellen Foley, Quartz, 14 Jan. 2020
  • Epigenetic Avenues In most animals, a sperm cell is tiny compared to an egg cell.
    — Ivan Amato, Quanta Magazine, 22 Dec. 2025
  • John Gurdon removes the nucleus from the egg cell of a frog and replaces it with a nucleus of a mature cell from a tadpole.
    — Adam Piore, Discover Magazine, 18 July 2016
  • Hayashi and his colleagues transplanted 630 embryos formed from such egg cells into surrogate mice.
    — Meghan Bartels, Scientific American, 15 Mar. 2023
  • Telomerase is an important tool for cells that divide frequently—like blood cells, the lining of our digestive systems, or sperm and egg cells.
    — Katherine Ellen Foley, Quartz, 19 Dec. 2019
  • While these studies found that the fluid had no live sperm cells (the cells that can fertilize your egg cells), another study found that about one-third of guys do produce live sperm cells.
    — Hannah Orenstein, Seventeen, 3 Oct. 2017
  • This means all your mitochondrial DNA was passed down, intact, from your mother's egg cell.
    — Elizabeth Preston, Discover Magazine, 31 Jan. 2012
  • According to new research, this was done by manipulating the chromosomes of a male stem cell, turning it into a female egg cell.
    — Harold Maass, The Week Us, theweek, 18 Apr. 2024
  • When a cell divides in two to make an egg cell, the other half becomes a polar body, which contains a near-identical copy of DNA.
    — Sarah Zhang, The Atlantic, 28 Oct. 2021
  • New variation emerges from reshuffling segments of DNA in sperm and egg cells, and from copying errors known as mutations.
    — F.d. Flam, Mercury News, 26 Nov. 2025
  • The egg cell, too, may have components from the donor dog, such as mitochondria, that influence how the cloned dog’s DNA is expressed.
    — Alexandra Horowitz, The New Yorker, 24 June 2024

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'egg cell.' 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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