rhesus monkey

rhe·​sus monkey | \ˈrē-səs- \

Definition of rhesus monkey 

: a pale brown Asian macaque (Macaca mulatta) often used in medical research

called also rhesus, rhesus macaque

Examples of rhesus monkey in a Sentence

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In the 1950s, the American psychologist Harry Harlow took young rhesus monkeys from their mothers and found that the youngsters became reclusive. Benedict Carey, New York Times, "A Troubling Prognosis for Migrant Children in Detention: ‘The Earlier They’re Out, the Better’," 18 June 2018 But recent laboratory tests found that rhesus monkeys were far more likely to survive high doses of radiation if injected with Leukine 48 hours after exposure. BostonGlobe.com, "The week in business," 9 June 2018 Researchers have found that male rhesus monkeys who tend to shun group play, mutual grooming and other social activities have a subtle thing in common with boys who have an autism spectrum disorder. Melissa Healy, latimes.com, "Is vasopressin what's lacking in the brains of those with autism?," 3 May 2018 His team recently completed a 25-year study of calorie restriction in rhesus monkeys. Megan Molteni, WIRED, "Will Cutting Calories Make You Live Longer?," 22 Mar. 2018 Back in 1999, scientists cloned a rhesus monkey named Tetra using a method called embryo-splitting, which is easier to execute than SCNT but cannot generate as many offspring. Brigit Katz, Smithsonian, "Scientists Successfully Clone Monkeys, Breaking New Ground in a Controversial Field," 25 Jan. 2018 The vaccine reduced tuberculosis infections by 70 percent in rhesus monkeys, according to a paper published Monday in the journal Nature Medicine. Lynne Terry, OregonLive.com, "Oregon scientist develops promising vaccine against tuberculosis," 15 Jan. 2018 She and Able, a rhesus monkey, returned to earth healthy and were treated as celebrities. Kelly Kazek | Kkazek@al.com, AL.com, "Alabama Trivia: 50 fascinating facts to impress your friends," 19 Dec. 2017 The long list of animals known to have been infected by canine distemper includes rhesus monkeys, pandas, American black bears, South American jaguars and even seals. Mark Johnson, jsonline.com, "The hunt for a future killer," 15 Dec. 2017

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

1829, in the meaning defined above

History and Etymology for rhesus monkey

New Latin Rhesus, genus of monkeys, from Latin, a mythical king of Thrace, from Greek Rhēsos

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The first known use of rhesus monkey was in 1829

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English Language Learners Definition of rhesus monkey

: a small monkey that is often used in medical research

rhesus monkey


Medical Definition of rhesus monkey 

: a pale brown Asian monkey of the genus Macaca (M. mulatta) often used in medical research

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