Examlex
In nuclear magnetic resonance imaging, we do not use direct measurements of time constants T1 and T2.
Myosin Filaments
Thick filaments within muscle cells that interact with actin filaments to cause muscle contraction through a sliding filament mechanism.
Muscle Contraction
The process where muscle fibers shorten, generating force, following activation by a nerve impulse.
Cross-Bridges
The connection formed between the heads of myosin molecules and actin filaments during muscle contraction.
Tropomyosin
A protein found in muscle tissue that regulates muscle contraction by blocking or exposing binding sites for myosin on actin filaments.
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