Transmission electron micrograph of longitudinal section of rat heart ventricle. A portion of a nucleus is seen at upper right, with a region of closely packed mitochondria extending to lower left, flanked by myofibrils. Small, darkly staining glycogen granules are also prominent.
Image made available by James D. Jamieson and the Department of Cell Biology, Yale University School of Medicine.
Original 3.25 in. x 4 in. lantern slides were scanned at 600dpi. Original Magnification: x17,000.