How to Use synovial fluid in a Sentence

synovial fluid

noun
  • Hyaluronic acid is a natural substance present in the synovial fluid of your knee joints.
    — Alex Yampolsky, Verywell Health, 17 Oct. 2024
  • Where the two bones of the finger meet, a little lake of synovial fluid keeps them from grinding on each other.
    — Veronique Greenwood, New York Times, 29 Mar. 2018
  • This habit results in the popping sound due to the bursting of gas bubbles in the synovial fluid within the joints.
    — Sara Novak, Discover Magazine, 11 Jan. 2024
  • The bones and cartilage are enclosed in a membrane that’s filled with an oily liquid called synovial fluid.
    — Sarah Lindenfeld Hall, Popular Science, 7 Jan. 2026
  • One possible factor is synovial fluid, a thick liquid that helps joints move smoothly.
    — Miriam Fauzia, Dallas Morning News, 23 Jan. 2026
  • Part of this is caused by a decrease in synovial fluid that lubricates joints to reduce friction caused by movement.
    — Bryant Stamford, The Courier-Journal, 9 Mar. 2023
  • Joints are wrapped in a capsule of connective tissue that secretes synovial fluid as a lubricant when the joints are moved.
    — Bryant Stamford, The Courier-Journal, 12 Nov. 2021
  • Joints are wrapped in a capsule of connective tissue that secretes synovial fluid as a lubricant when the joints are moved.
    — Bryant Stamford, The Courier-Journal, 9 May 2024
  • The authors think that the peptidoglycan remains in synovial fluid after the pathogen is gone.
    — Linda Carroll, NBC News, 18 June 2019
  • But the problem is the drugs are cleared fairly quickly, because there’s an efficient drainage system for the joint’s synovial fluid.
    — Megan Thielking, STAT, 3 Apr. 2018
  • The substance is naturally found in many areas of the human body, including the skin, eyes, and synovial fluid of the joints.
    — Cristina Montemayor, Men's Health, 29 June 2022
  • The fluid, called synovial fluid, is full of oxygen, nitrogen, and carbon dioxide, which are gases.
    — Dr. Roshini Raj, Health, 9 Feb. 2024
  • There's a liquid called synovial fluid that acts as lubricant between your joints and the fluid has all types of gas in it, like oxygen, nitrogen, and carbon dioxide.
    — Noelle Devoe, Seventeen, 26 Oct. 2017
  • But that theory was deflated recently by the discovery that bubbles in our synovial fluid persist even after a good cracking.
    — Nathaniel Scharping, Discover Magazine, 29 Mar. 2018
  • This is due to a degradation of cartilage (the squishy material that protects the ends of the bones) and a reduction in synovial fluid – which lubricates the joints.
    — Matt Parrott, Arkansas Online, 20 Apr. 2025
  • Sitting for hours on end compresses joints and reduces circulation of synovial fluid, the body’s natural joint lubricant.
    — Dana Santas, CNN Money, 22 June 2026
  • Though cold weather doesn’t have a direct impact on joints, Travis adds, it’s been shown to lead to thickening of the synovial fluid, which lubricates your joints and acts as a shock absorber.
    — Alyssa Ages, Outside, 22 Feb. 2026
  • Instead cartilage gets help from what experts call dynamic loading—putting stress or weight on the joint, which causes nutrient-carrying synovial fluid to flow in and out.
    — Claudia Wallis, Scientific American, 1 June 2022
  • Joint supplements help lubricate achy joints by supporting synovial fluid, a crucial substance that naturally occurs in the body.
    — Dallas News, 24 Jan. 2023
  • The activity can improve muscle function around the joints and encourage the body to produce more of what’s called synovial fluid, a viscous liquid that lubricates the joints.
    — Caroline Hopkins, NBC News, 7 Mar. 2023
  • The event was simply the sound of bubbles in the synovial fluid between our joints collapsing, researchers concluded, the result of something called cavitation.
    — Nathaniel Scharping, Discover Magazine, 29 Mar. 2018
  • In addition, the rhythmic motion of pedaling on a bicycle can move synovial fluid, the viscous, egg white -like liquid in joints that helps reduce friction and absorb shock.
    — Allison Aubrey, NPR, 20 May 2024
  • This is a common condition in which the knee’s natural lubricant, called synovial fluid, diminishes with age, resulting in painful friction of the knee joints.
    — Joyce Wiswell For The Knee Institute, Detroit Free Press, 14 Mar. 2018
  • Drinking water regularly can also support joint function, because synovial fluid contains water.
    — Miriam Fauzia, Dallas Morning News, 23 Jan. 2026
  • Lower levels of pro-inflammatory T helper 17 (TH17) cells were found in the lymph nodes, which drain synovial fluid, and the joints.
    — New Atlas, 6 Aug. 2025
  • Osteoarthritis is chronic joint inflammation that causes damage to articular cartilage – which covers and protects the ends of bones – as well as changes to synovial fluid and narrowing of the joint space.
    — Kim Campbell Thornton, sacbee, 30 May 2018
  • Sitting for extended periods, staying in the same position during sleep, or otherwise not moving much can reduce levels of synovial fluid, the gel-like substance that lubricates joints.
    — Kristen Fischer, Health, 17 Apr. 2026
  • The shoulder joint capsule is basically a pocket of strong ligaments and lubricating synovial fluid that anchors and stabilizes the upper arm bone within the shoulder socket.
    — Amy Norton, SELF, 29 Jan. 2025
  • One synovial fluid protein in particular, periostin, was the most upregulated, not only for proteins shared between the two species, but also for each individual species.
    — Paul McClure 31, New Atlas, 31 May 2025
  • The researchers focused particularly on the proteins found in synovial fluid in healthy and injured knee joints, that is, the viscous liquid found in joint spaces that lubricates the cartilage and helps reduce friction during movement.
    — Paul McClure 31, New Atlas, 31 May 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'synovial fluid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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