Scanning electron Muscle Muscle tissue -microscope (SEM) image of human muscle tissue collected from an 18 year old male during tooth surgery. The connective tissue I collagen fibers and red blood cells . Magnification when printed 10 cm wide.
A cross-section of muscle tissue, surrounded by the extracellular tissue that acts as the connective tissue. Each muscle fiber is joined together by the connective tissue to make up the complete muscle