meristem

noun
mer·​i·​stem | \ ˈmer-ə-ˌstem How to pronounce meristem (audio) \

Definition of meristem

: a formative plant tissue usually made up of small cells capable of dividing indefinitely and giving rise to similar cells or to cells that differentiate to produce the definitive tissues and organs

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Other Words from meristem

meristematic \ ˌmer-​ə-​stə-​ˈma-​tik How to pronounce meristem (audio) \ adjective
meristematically \ ˌmer-​ə-​stə-​ˈma-​ti-​k(ə-​)lē How to pronounce meristem (audio) \ adverb

Examples of meristem in a Sentence

Recent Examples on the Web Saguaro cacti can develop mutations in meristem cells (equivalent to stem cells in animals) on the growing tips of the plant. Athena Aktipis, Scientific American, "How Evolution Helps Us Understand Cancer and Control It," 1 Jan. 2021 Fasciation may be caused by mutation, virus, bacterial infection by bacterium known as Rhodococcus fascians, or injury to the meristem or growing part of the plant by insect, animal or human. Margaret Lauterbach, idahostatesman, "Some non-native weeds flourish in Idaho," 31 May 2017

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

First Known Use of meristem

1872, in the meaning defined above

History and Etymology for meristem

Greek meristos divided (from merizein to divide, from meros) + English -em (as in system)

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Time Traveler for meristem

Time Traveler

The first known use of meristem was in 1872

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Cite this Entry

“Meristem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/meristem. Accessed 10 May. 2021.

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More from Merriam-Webster on meristem

Britannica.com: Encyclopedia article about meristem

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