How to Use tubule in a Sentence

tubule

noun
  • Each tubule runs through the tooth's dentin layer, directly to a nerve ending within the tooth's pulp.
    — New Atlas, 17 Aug. 2025
  • When that enamel is eroded or otherwise lost, however, hot/cold/sweet/acidic substances do enter the tubules.
    — New Atlas, 17 Aug. 2025
  • Inside, the testicle is full of small, packed tubules called seminiferous tubules, where sperm is produced.
    — Dr. Jamin Brahmbhatt, CNN Money, 25 June 2026
  • Protein in urine—especially albumin—can be toxic to the kidney tubules, which transfer waste from the glomeruli to your urine.
    — Md Published, Verywell Health, 12 Jan. 2026
  • To other researchers not involved in the project, the images in the paper and the revelations about the tubules’ structure are thought-provoking.
    — Veronique Greenwood, Quanta Magazine, 8 Sep. 2025
  • The proteins fit together in the same way as in eukaryotes, although the structures were made up of five rods, rather than 13, making a miniature tubule.
    — Veronique Greenwood, Quanta Magazine, 8 Sep. 2025
  • Other medications act like poison, killing kidney tubule cells, which help to filter wastes and reabsorb nutrients.
    — Jyoti Madhusoodanan, Scientific American, 17 Mar. 2026
  • Ordinarily, the tubules are capped by the tooth's outer layer of enamel, keeping them from coming into contact with substances in the mouth.
    — New Atlas, 17 Aug. 2025
  • One paper, published in 2022, found that tubules in another type of Asgard did not look particularly similar.
    — Veronique Greenwood, Quanta Magazine, 8 Sep. 2025
  • Experts suspect that the toxins of lilies are quickly absorbed into the cat’s bloodstream and damage the epithelial cells of the renal tubules, which are the long, narrow tubes of nephrons, the structural and functional units of kidneys.
    — Encyclopedia Britannica, 15 May 2026
  • In the case of a CalBot treatment, however, the robots' bioceramic forms a cement-like plug running 300 to 500 micrometers into each tubule.
    — New Atlas, 17 Aug. 2025

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

Last Updated: