blastocyst

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noun blas·to·cyst \ˈblas-tə-ˌsist\

Definition of blastocyst

  1. :  the modified blastula of a placental mammal having an outer layer composed of the trophoblast

Recent Examples of blastocyst from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blastocyst'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of blastocyst

1876


Medical Dictionary

blastocyst

play
noun blas·to·cyst \ˈblas-tə-ˌsist\

Medical Definition of blastocyst

  1. :  the modified blastula of a placental mammal


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