Muscular Fiber Contracting

Wave of contraction passing over a muscular fiber of dytiscus, very highly magnified. When a muscle contracts, the dark bands swell up and shorten (the light bands are also constricted), and the whole fiber broadens and shortens. Labels: R, R, portions of the fiber at rest; C, contracted part; I, I, intermediate condition.

Keywords

muscle fibers, Muscular Tissue, muscle fibres, muscular contraction, muscle contraction

Galleries

Human Muscular System

Source

Kimber, Diana C. Anatomy and Physiology for Nurses (New York, NY: The Macmillan Company, 1907)

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