sarcotubular
adjective
sar·co·tu·bu·lar
-ˈt(y)ü-byə-lər 
: relating to or being the system of membranes, vesicles, and tubules in the sarcoplasm of a striated muscle fiber that make up the sarcoplasmic reticulum and the T tubules
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“Sarcotubular.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sarcotubular. Accessed 3 May. 2025.
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