cell line

noun

: a cell culture selected for uniformity from a cell population derived from a usually homogeneous tissue source (such as an organ)
a newly established cell line derived from a human endometrial carcinomaBiol. Abstracts

Examples of cell line in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The company then used the information from the genetic analysis to alter gray wolf cells, making 20 edits in 14 genes before cloning the most promising cell lines and transferring them into donor eggs, according to the news release. Katie Hunt, CNN Money, 7 Apr. 2025 However, the study used human cell lines in a lab (in Petri dishes), not real participants, so the evidence is limited.5 Another study also showed that rose petal extract may reduce inflammation caused by ultraviolet (UV) exposure. Merve Ceylan, Health, 7 Apr. 2025 The Johnson & Johnson vaccine was developed using fetal cell lines, according to UCLA Health. Jonathan Shorman, Kansas City Star, 3 Apr. 2025 Research and development expenses increased to $2.4 million from $2.0 million, reflecting ongoing clinical trials and development of new cell lines in collaboration with Greenstone Biosciences. Quartz Intelligence Newsroom, Quartz, 14 Mar. 2025 See All Example Sentences for cell line

Word History

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of cell line was in 1940

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Cite this Entry

“Cell line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cell%20line. Accessed 2 May. 2025.

Medical Definition

cell line

noun
: a cell culture selected for uniformity from a cell population derived from a usually homogeneous tissue source (as an organ)
a newly established cell line derived from human endometrial carcinomaBiological Abstracts
Last Updated: - Updated example sentences
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