Definition of tubule in English:



  • A minute tube, especially as an anatomical structure.

    ‘kidney tubules’
    • ‘The passage of sperm from the seminiferous tubules of the testis to the vas deferens takes about 12 days.’
    • ‘If the spermatozoa showed no motility, a new tubule closer to the testis was selected, and the process was repeated.’
    • ‘The tubules showed moderate-to-severe atrophy with scattered dilated tubules.’
    • ‘There were bile casts present in the lumen of the proximal tubules of both kidneys.’
    • ‘When the expelled tubules elongate, the inner epithelium is disrupted and the contents of the epithelial cell spherules are released.’



/ˈt(y)o͞obyo͞ol/ /ˈt(j)ubjul/


Late 17th century from Latin tubulus, diminutive of tubus ‘tube’.