thin filament
noun
: a myofilament of the one of the two types making up myofibrils that is about 5 nanometers (50 angstroms) in width and is composed chiefly of the protein actin compare thick filament
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“Thin filament.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/thin%20filament. Accessed 28 Nov. 2024.
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