parabiosis

noun
para·bi·o·sis | \ ˌper-ə-(ˌ)bī-ˈō-səs , -bē- , ˌpa-rə- \

Definition of parabiosis 

1 : reversible suspension of obvious vital activities

2 : anatomical and physiological union of two organisms

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Other words from parabiosis

parabiotic \ˌper-ə-(ˌ)bī-ˈä-tik, -bē-, ˌpa-rə- \ adjective
parabiotically \ˌper-ə-(ˌ)bī-ˈä-ti-k(ə-)lē, -bē-, ˌpa-rə- \ adverb

Examples of parabiosis in a Sentence

Recent Examples on the Web

The Science: Researchers conjoined the circulatory systems of young and old mice, a process called parabiosis. Gregory Barber, WIRED, "The Science Behind the Pursuit of Youth," 27 Mar. 2018 Three years ago, neuroscientist Tony Wyss-Coray’s lab at Stanford University in Palo Alto, California, found that injections of the plasma portion of blood from young mice could achieve the same antiaging effects as parabiosis in old mice. Jocelyn Kaiser, Science | AAAS, "Blood from young people does little to reverse Alzheimer’s in first test," 1 Nov. 2017 Amy Wagers, a professor of stem-cell and regenerative biology at the Harvard Stem Cell Institute, was the first to discover in 2013 that parabiosis, fusing two individuals anatomically, could improve muscle, heart, and lung function in mice. Meaghen Brown, Marie Claire, "Meet the Extensionists: People Who Believe Immortality Is Possible," 2 Oct. 2017 Rando’s work in parabiosis seemed to hinge on a similar process: making stem cells revert to a more youthful stage. Tad Friend, The New Yorker, "Silicon Valley’s Quest to Live Forever," 24 Mar. 2017 After that paper, Rando turned back to parabiosis, and Chang began work on a cream to make skin look decades younger. Tad Friend, The New Yorker, "Silicon Valley’s Quest to Live Forever," 24 Mar. 2017 I will be haunted by Guyenet’s description of parabiosis, a surgical technique. Judith Newman, New York Times, "And a Thinner New Year: Five New Books About Food and Diets," 28 Dec. 2016 Some aspects of aging, one 2013 study found, could be reversed when older mice get blood from younger ones, but other researchers haven’t been able to replicate these results, and the benefits of parabiosis in humans remains unclear. Maya Kosoff, The Hive, "This Anti-Aging Start-Up Is Charging Thousands of Dollars for Teen Blood," 1 June 2017

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

1903, in the meaning defined at sense 1

History and Etymology for parabiosis

New Latin

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Time Traveler for parabiosis

The first known use of parabiosis was in 1903

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More Definitions for parabiosis

parabiosis

noun
para·bi·o·sis | \ ˌpar-ə-(ˌ)bī-ˈō-səs, -bē- \
plural parabioses\-ˌsēz \

Medical Definition of parabiosis 

: the anatomical and physiological union of two organisms either natural (as in conjoined twins) or artificially produced

Other words from parabiosis

parabiotic \-ˈät-ik \ adjective
parabiotically \-i-k(ə-)lē \ adverb

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occurring twice a year or every two years

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