How to Use smooth muscle in a Sentence

smooth muscle

noun
  • The glial cells have no smooth muscle cells.
    — Amanda Erickson, STAT, 7 Apr. 2026
  • To stretch that far, the smooth muscle wall that wraps around the bladder, called the detrusor, must relax.
    — Emily Underwood, Smithsonian Magazine, 5 June 2024
  • The arc of hexagons above her left eyebrow is speciogynine, thought to be a smooth muscle relaxer.
    — Emma Grey Ellis, Wired, 22 Jan. 2020
  • The hormones have a similar effect on other smooth muscles in your body, like in your bowels.
    — Korin Miller, Health, 13 July 2023
  • That’s because progesterone wears many hats and also acts as a smooth muscle relaxant.
    — Jocelyn Solis-Moreira, Discover Magazine, 16 Nov. 2021
  • Magnesium can smooth muscle contractions and help your uterus relax.
    — Chelsea Rae Bourgeois, Health, 2 Oct. 2025
  • The receptors control constriction and dilation in the smooth muscle fibers in the walls of these blood vessels.
    — Kristen Rogers, CNN, 21 Mar. 2024
  • The receptors control constriction and dilation in the smooth muscle fibers in the walls of these blood vessels.
    — Kristen Rogers, CNN Money, 12 Oct. 2025
  • Her uterus was riddled with fibroids, benign tumors consisting of smooth muscle that were both inside and outside the lining of her uterus.
    — Ed Stannard, Hartford Courant, 26 July 2024
  • The intestines appeared to slow the movement of food, directing it down through the gut via gravity and contractions of the smooth muscle of the gut.
    — Grace Huckins, Wired, 12 Aug. 2021
  • The fluid moves because of the micro-contractions of smooth muscle between lymphatic nodes.
    — Matt Benoit, Discover Magazine, 6 Dec. 2024
  • When activated, these receptors relax the smooth muscles of the bladder.
    — Matthew Wosnitzer, Verywell Health, 23 Sep. 2024
  • Antihistamines work by binding to histamine receptors on the brain, spinal cord, smooth muscles, and other tissues of the body.
    — Daniel More, Verywell Health, 9 Mar. 2024
  • Iridoid glycosides lower blood pressure by relaxing the smooth muscles in blood vessels.
    — Discover Magazine, 30 June 2023
  • These are symptoms linked to changes in blood vessels that supply blood as a result of contraction or relaxation of the smooth muscles that line the walls of the vessels.
    — Joy Emeh, Health, 18 July 2024
  • In addition to targeting blood flow, Red Boost targets smooth muscle function.
    — Jon Goodwin, Discover Magazine, 30 Dec. 2022
  • Contraction and relaxation of smooth muscle (like the heart) and vessels is likely the most major role magnesium helps with blood pressure.
    — Willow Jarosh, Ms, Rd, Health, 27 June 2023
  • Albuterol is a bronchodilator that provides relief from asthma attacks by relaxing smooth muscles in the airways.
    — Erin Prater, Fortune Well, 8 Mar. 2023
  • Red Boost claims to optimize smooth muscle, allowing blood to flow into erectile tissue and remain firmly trapped there.
    — Jon Goodwin, Discover Magazine, 30 Dec. 2022
  • Under sedation, a small catheter is introduced through a bronchoscope to deliver a safe amount of heat to reduce excess smooth muscle in the lungs.
    — Tracy Maness, Houston Chronicle, 30 Apr. 2018
  • Derived from many food sources, magnesium helps balance the effects of calcium by blocking its entry into smooth muscle cells in blood vessel walls.
    — Md Published, Verywell Health, 15 Aug. 2025
  • This dysfunction can cause major problems, such as in the esophagus, where the smooth muscles that line the organ don’t contract and move food effectively.
    — Rachael Zimlich, Bsn, Rn, Verywell Health, 13 July 2023
  • Calcium promotes muscle contraction, including in the smooth muscle that lines blood vessels.
    — Morgan Pearson, Verywell Health, 8 Jan. 2026
  • That's because pregnancy hormone progesterone causes the smooth muscles in both the esophagus and bowel to relax.
    — Felissa Allard, SELF, 8 July 2019
  • But in roughly half of patients, the protein also extensively replaces the smooth muscle of blood vessel walls, rendering them brittle.
    — Bycharles Piller, science.org, 13 Apr. 2023
  • To get things flowing, O’Connor suggests switching to hot water because hot drinks can help smooth muscle relaxation and help out with your bowel movements.
    — Ayana Underwood, SELF, 30 Jan. 2024
  • For example, in addition to endothelial cells, Tian’s team tried the experiment in smooth muscle cells, neurons and cardiac cells.
    — IEEE Spectrum, 19 Dec. 2016
  • And that says, what are the RNAs that are up or down in the cardiomyocytes as compared to the smooth muscle cells, as compared to the fibroblasts, all of which are in the cells?
    — Elizabeth Cooney, STAT, 7 Aug. 2022
  • Research shows that adequate to high levels of potassium increase vasodilation, or the relaxation of smooth muscles and the widening of blood vessels.
    — Brittany Lubeck, Verywell Health, 10 Feb. 2026
  • Movement of the third eyelid in cats is also partially regulated by the sympathetic nervous system and by smooth muscle cells within the third eyelid.
    — Paul Miller, Scientific American, 1 Sep. 2015

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'smooth muscle.' 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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