T-tubule

A form of T tubule — 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.

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Meanings

nounT-tubule (plural T-tubules)

plural T-tubules

  1. alternativeAlternative form of T tubule.
Cite this entry
APA

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

MLA

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

Chicago

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

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