germ cell

noun

Definition of germ cell 

: a gamete (such as an egg or sperm cell) or one of its antecedent cells

Examples of germ cell in a Sentence

Recent Examples on the Web

Early during an embryo’s development, the germ cells — which are basically the cellular grandparents or great grandparents of sperm — travel to the nascent gonads. Rachel Becker, The Verge, "Transplanted testicles will always make the donor’s sperm," 26 Apr. 2018 These germ cells then divide to form stem cells that can produce more of themselves, and more of the cells that, through a series of divisions, make sperm. Rachel Becker, The Verge, "Transplanted testicles will always make the donor’s sperm," 26 Apr. 2018 In December 2017, Surani announced a crucial milestone concerning the eight-week cycle, after which germ cells begin the process of transforming into gametes. Jason Pontin, WIRED, "Science Is Getting Us Closer to the End of Infertility," 27 Mar. 2018 But baby mice do not a human make, and Saitou and another scientist, Azim Surani, are each working directly with human cells, trying to understand the differences between how mice and human iPSCs become primordial germ cells. Jason Pontin, WIRED, "Science Is Getting Us Closer to the End of Infertility," 27 Mar. 2018 In Drosophila melanogaster, the standard lab fruit fly, this problem is partly managed by the fact that Apollo shows much higher activity in the male germ cells than the female equivalents. John Timmer, Ars Technica, "A battle between the sexes in a single gene," 23 Feb. 2018 In this case, PNLDC1 is interesting because it primarily is expressed in germ cells, but not in normal tissue like the brains or heart or liver. Kristen Jordan Shamus, Detroit Free Press, "Michigan State researchers are on the cusp of developing a birth control for men," 11 Oct. 2017

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

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First Known Use of germ cell

1851, in the meaning defined above

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Dictionary Entries near germ cell

Germany

germarium

germ band

germ cell

germ disc

germed

germen

Statistics for germ cell

Last Updated

24 Aug 2018

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Time Traveler for germ cell

The first known use of germ cell was in 1851

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More Definitions for germ cell

germ cell

noun

Kids Definition of germ cell

: a cell (as an egg or sperm cell) that contributes to the formation of a new individual

germ cell

noun

Medical Definition of germ cell 

: an egg or sperm cell or one of their antecedent cells

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