thick filament


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Related to thick filament: Thin filament

my·o·sin fil·a·ment

one of the contractile elements in skeletal, cardiac, and smooth muscle fibers; in skeletal muscle, the filament is about 15 nm thick and 1.5 mcm long.
Synonym(s): thick filament

thick filament

In a sarcomere, one of the collection of contractile filaments made primarily of myosin, seen microscopically.
References in periodicals archive ?
Ratio of thin filament to the thick filament is more than 1:10 and the mitochondrial area is approximately 25%.
The diameter of thick filament measured in the preparation was 26 nm for Turbo sarmaticus and 69 nm for Burnupena cincta, illustrating differences depending on the species.
Two faint but thick filaments near the South Pole on Apr 11 had transformed into one fish hook shaped substantial filament, aligned north-south, by Apr 13.