blastocyst
noun
blas·to·cyst
ˈbla-stə-ˌsist 
: the modified blastula of a placental mammal having an outer layer composed of the trophoblast
Examples of blastocyst in a Sentence
Recent Examples on the Web
Rather than actual embryos, the team experimented with stem cells and models of blastocysts called blastoids.
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Michael Irving, New Atlas, 3 Oct. 2024
Some mammal species have an ability known as embryonic diapause, in which the development of an embryo can be paused for weeks or even months, keeping the blastocyst from implanting in the uterus.
—Michael Irving, New Atlas, 3 Oct. 2024
These include: Would IVF doctors and embryologists be found at fault for the failure of an embryo to grow to the blastocyst stage (as occurs naturally in more than 50% of patients)?
—Fiorella Valdesolo, Allure, 13 Sep. 2024
Would these cruel judges have three-day-old blastocysts preserved until the end of time, and if so, at whose cost?
—New York Daily News Editorial Board, New York Daily News, 25 Feb. 2024
See all Example Sentences for blastocyst 
Michael Irving, New Atlas, 3 Oct. 2024
Some mammal species have an ability known as embryonic diapause, in which the development of an embryo can be paused for weeks or even months, keeping the blastocyst from implanting in the uterus.
—Michael Irving, New Atlas, 3 Oct. 2024
These include: Would IVF doctors and embryologists be found at fault for the failure of an embryo to grow to the blastocyst stage (as occurs naturally in more than 50% of patients)?
—Fiorella Valdesolo, Allure, 13 Sep. 2024
Would these cruel judges have three-day-old blastocysts preserved until the end of time, and if so, at whose cost?
—New York Daily News Editorial Board, New York Daily News, 25 Feb. 2024
See all Example Sentences for blastocyst
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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“Blastocyst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blastocyst. Accessed 31 Oct. 2024.
Copy CitationMedical Definition
blastocyst
noun
blas·to·cyst
ˈblas-tə-ˌsist
: the modified blastula of a placental mammal
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