cytoplasm

noun
cy·​to·​plasm | \ˈsī-tə-ˌpla-zəm \

Definition of cytoplasm 

: the organized complex of inorganic and organic substances external to the nuclear membrane of a cell and including the cytosol and membrane-bound organelles (such as mitochondria or chloroplasts) — see cell illustration

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Other Words from cytoplasm

cytoplasmic \ ˌsī-​tə-​ˈplaz-​mik \ adjective
cytoplasmically \ ˌsī-​tə-​ˈplaz-​mi-​k(ə-​)lē \ adverb

Examples of cytoplasm in a Sentence

Recent Examples on the Web

Nanobodies also remain functional within cells, whereas conventional antibodies typically fall apart in the cytoplasm. Mitch Leslie, Science | AAAS, "Mini-antibodies discovered in sharks and camels could lead to drugs for cancer and other diseases," 10 May 2018 Polar bodies have very little cytoplasm and contain few, if any, mitochondria, which makes PBT potentially simpler and safer. Sandy Ong, Science | AAAS, "Singapore could become the second country to legalize mitochondrial replacement therapy," 6 June 2018 Researchers can get them into the cytoplasm by genetically altering cells to produce them, but that's not feasible for most treatments. Mitch Leslie, Science | AAAS, "Mini-antibodies discovered in sharks and camels could lead to drugs for cancer and other diseases," 10 May 2018 To trace how the cells and their progeny changed over time, the researchers equipped some of the single-cell fish embryos with genetic tracers: many tiny pieces of unique DNA, injected into the embryos' cytoplasm. Elizabeth Pennisi, Science | AAAS, "How one cell gives rise to an entire body," 26 Apr. 2018 Branch and bud cells concentrate solutes in their cytoplasm to reduce the freezing point (the same way road de-icing salts work) and export water from the cells to reduce ice crystal formation that can damage delicate cell membranes. Paul Cappiello, The Courier-Journal, "What happens in your Kentucky garden during really cold weather," 5 Jan. 2018 This may mean that too much cytoplasm — the fluid inside cells — ended up in the polar body. Marissa Fessenden, Smithsonian, "Researchers Mature Human Eggs in the Lab for the First Time," 10 Feb. 2018 Up to 60 percent of insect species carry a harmless type of bacteria called Wolbachia in their cytoplasm, the thick mixture of water, salts, and protein that fills every cell. Andrew Howley, National Geographic, "Mosquitoes May Meet Their End Thanks to Marlon Brando," 21 Oct. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cytoplasm.' 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 cytoplasm

1857, in the meaning defined above

History and Etymology for cytoplasm

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Time Traveler for cytoplasm

The first known use of cytoplasm was in 1857

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More Definitions for cytoplasm

cytoplasm

noun
cy·​to·​plasm | \ˈsī-tə-ˌpla-zəm \

Kids Definition of cytoplasm

: the jellylike material that fills most of the space in a cell and surrounds the nucleus

cytoplasm

noun
cy·​to·​plasm | \ˈsīt-ə-ˌplaz-əm \

Medical Definition of cytoplasm 

: the organized complex of inorganic and organic substances external to the nuclear membrane of a cell and including the cytosol and membrane-bound organelles (as mitochondria or chloroplasts)

Other Words from cytoplasm

cytoplasmic \ ˌsīt-​ə-​ˈplaz-​mik \ adjective
cytoplasmically \ -​mi-​k(ə-​)lē \ adverb

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