endoplasmic reticulum
noun
: a system of interconnected vesicular and lamellar cytoplasmic membranes that functions especially in the transport of materials within the cell and that is studded with ribosomes in some places see cell illustration
Examples of endoplasmic reticulum in a Sentence
Recent Examples on the Web
Cell biologist Jennifer Lippincott-Schwartz of the Howard Hughes Medical Institute’s Janelia Research Campus in Virginia, for instance, is scrutinizing the structures that mitochondria use to dock onto the protein-making endoplasmic reticulum, which supplies calcium and fats to mitochondria.
—
Katarina Zimmer, JSTOR Daily, 14 Aug. 2025
Burns Calories Coffee may help burn calories because of caffeine's effect on the muscle protein called sarcoplasmic/endoplasmic reticulum calcium ATPase (SERCA).
—Lauren O'Connor, Health, 16 June 2025
Two important organelles within cells are mitochondria and the endoplasmic reticulum, which produce energy and assemble proteins, respectively.
—Justin Quiles, The Conversation, 8 Feb. 2023
The idea to kill cancer cells by stressing out the endoplasmic reticulum isn’t new.
—Dallas News, 31 Oct. 2022
The Cell Painting assay uses six fluorescent dyes to reveal eight cellular components or organelles: the nucleus, the nucleoli, cytoplasmic RNA, the endoplasmic reticulum, the mitochondria, the plasma (cell) membrane, the Golgi complex and the F-actin cytoskeleton.
—Quanta Magazine, 2 Nov. 2021
Gerd Schröder-Turk, who studies biophotonic materials at Murdoch University in Australia, and his colleagues have shown that when these scales are developing, the endoplasmic reticulum membrane in the scale cells forms a sheet with fluid on either side, creating a double gyroid.
—Viviane Callier, The Atlantic, 20 June 2021
As the connexin grows longer, an additional protein (blue) helps insert it into the membrane of the endoplasmic reticulum, the organelle in which this protein synthesis is taking place.
—Karen Hopkin, Scientific American, 1 May 2015
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Katarina Zimmer, JSTOR Daily, 14 Aug. 2025
Burns Calories Coffee may help burn calories because of caffeine's effect on the muscle protein called sarcoplasmic/endoplasmic reticulum calcium ATPase (SERCA).
—Lauren O'Connor, Health, 16 June 2025
Two important organelles within cells are mitochondria and the endoplasmic reticulum, which produce energy and assemble proteins, respectively.
—Justin Quiles, The Conversation, 8 Feb. 2023
The idea to kill cancer cells by stressing out the endoplasmic reticulum isn’t new.
—Dallas News, 31 Oct. 2022
The Cell Painting assay uses six fluorescent dyes to reveal eight cellular components or organelles: the nucleus, the nucleoli, cytoplasmic RNA, the endoplasmic reticulum, the mitochondria, the plasma (cell) membrane, the Golgi complex and the F-actin cytoskeleton.
—Quanta Magazine, 2 Nov. 2021
Gerd Schröder-Turk, who studies biophotonic materials at Murdoch University in Australia, and his colleagues have shown that when these scales are developing, the endoplasmic reticulum membrane in the scale cells forms a sheet with fluid on either side, creating a double gyroid.
—Viviane Callier, The Atlantic, 20 June 2021
As the connexin grows longer, an additional protein (blue) helps insert it into the membrane of the endoplasmic reticulum, the organelle in which this protein synthesis is taking place.
—Karen Hopkin, Scientific American, 1 May 2015
Cite this Entry
“Endoplasmic reticulum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endoplasmic%20reticulum. Accessed 3 Nov. 2025.
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