tubule

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tubule

any small tubular structure, esp one in an animal, as in the kidney, testis, etc.

tubule

[′tü‚byül]
(anatomy)
A slender, elongated microscopic tube in an anatomical structure.
References in periodicals archive ?
Triads consisting of two elements of the sarcoplasmic reticulum and one of the t-tubule are usually scattered throughout these single fibers, although more complex associations, with three to nine elements of the sarcoplasmic reticulum, are also found.
If a nerve cells dies or is physically removed, the acetylcholine signal gets weaker, while the t-tubules grow.
Ting-Ting Hong, MD, PhD, lead author and postdoctoral fellow in the Shaw Laboratory at UCSF, had a mental image of calcium channels being carried on highways (known as microtubules) directly to membrane docking stations in the T-tubules.