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Thick filament
In muscle cells, an aggregate of myosin molecules in which the long, fibrous tails are intertwined in a superhelix that leaves the globular heads as knobs in a helical array over the surface. The myosin molecules are oriented so that their tails are directed towards the centre of the filament and consequently leave this region of the filaments bare of the knobby projections.
- Part of Speech: noun
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- Industry/Domain: Biology
- Category: Biochemistry; Molecular biology
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