T tubule

noun

One of the extensions of the cell membrane of striated muscle cells, running in a transverse manner, that permit the transmission of the action potential into the cell and regulate cellular calcium concentration.

Meanings

nounT tubule (plural T tubules)

plural T tubules · alternative T-tubule

  1. anatomyOne of the extensions of the cell membrane of striated muscle cells, running in a transverse manner, that permit the transmission of the action potential into the cell and regulate cellular calcium concentration.

    Synonyms: transverse tubule

Synonyms & antonyms

nounOne of the extensions of the cell membrane of striated muscle cells, running in a transverse manner, that permit the transmission of the action potential into the cell and regulate cellular calcium concentration.

Origin

Translations

French tubule T, tubule transverse
  • tubule Textension of the cell membrane of striated muscle cells
  • tubule transverseextension of the cell membrane of striated muscle cells
German T-Tubulus, T-Tubuli
  • T-Tubulusextension of the cell membrane of striated muscle cells
  • T-Tubuliextension of the cell membrane of striated muscle cells
Hungarian T-tubulus
  • T-tubulusextension of the cell membrane of striated muscle cells
Cite this entry
APA

T tubule. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/T%20tubule

MLA

“T tubule.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/T%20tubule. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “T tubule,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/T%20tubule.

Source: T tubule on Wiktionary, CC BY-SA 4.0.