A minute tube, especially as an anatomical structure: kidney tubules
More example sentences
- 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.
Late 17th century: from Latin tubulus, diminutive of tubus 'tube'.
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