Definition of smooth muscle in English:

smooth muscle


  • [mass noun] Muscle tissue in which the contractile fibrils are not highly ordered, occurring in the gut and other internal organs and not under voluntary control.

    Often contrasted with striated muscle
    • ‘The inhaled bronchodilators relieve only the airway narrowing from spasm of the bronchial smooth muscle.’
    • ‘On the other hand, melatonin reportedly induced contraction of bovine bronchial smooth muscle.’
    • ‘The myometrium is a thick coat containing smooth muscle and abundant connective tissues.’
    • ‘Blood vessels only work when both endothelia and vascular smooth muscle are bound together.’
    • ‘Topical phenylephrine, which increases the tone of the sphincter smooth muscle, is under development.’


smooth muscle