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.
The Great Story III An animal cell, a eukaryote.Before the electron microscope, the complexity of subtle structures within the cell was not known. Now we are only beginning to appreciate the complexity of sub-cellular anatomy and physiology!