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Two hormones referred to as gonadotropins are
Muscle Contraction
The process whereby muscle fibers shorten or become tense due to interactions between actin and myosin filaments, generating force.
Tetanus
A bacterial disease marked by rigidity and spasms of the muscles, caused by a toxin produced by Clostridium tetani.
Sarcomere
The basic unit of a muscle's cross-striated myofibril, responsible for muscle contraction and defined by the area between two Z lines.
Actin
One of two major proteins of muscle; makes up thin filaments in myofibrils of muscle fibers. See also myosin.
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