Muscle Fibers Small 237×320 Medium 474×640 Large 759×1024 Download Tiff Original 1779×2400 | (1.3 MB) Description Muscle fibers from the heart showing the striations and the junctions of the cells, highly magnified. Keywords "heart muscle", "muscle fibers", "striated muscle", muscle Galleries Human Muscular System Source: Martin, H. Newell The Human Body: A Text-book of Anatomy, Physiology and Hygiene (New York: Henry Holt and Company, 1900) 62