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  • Volume 6, Issue 5

    • Volume 6, Issue 5

    Sept. 26, 2013
    Sept. 26, 2013
    Sept. 26, 2013
    Sept. 26, 2013
    FIGURE 1. Three-millimeter OD raster scanning endoscope components and setup. (a) Mechanical assembly of the endoscope components; (b) photograph of the prototype; (c) optical path of the internal components of the distal end; and (d) unaveraged, unstained multiphoton endoscope image of in vivo rat liver located approximately 20 μm below organ surface. The pseudo-color image shows grey SHG signal (less than 405 nm) and green intrinsic fluorescent emission (420 to 690 nm). Visible are 20- to 30-μm-diameter hepatocytes with a dark, 5- to 10-μm-diameter nucleus (N) and bright surrounding cytoplasm (C), hepatic chords (HC) composed of chains of hepatocytes, and a hepatic sinusoid (HS)—the blood-filled space between hepatic chords, bile ductile (BD), bile salts (BS), septa (S)—a fine fibrillar connective tissue that covers the surface of the hepatocytes, and a hepatic venule (HV).
    Sept. 26, 2013

    More content from Volume 6, Issue 5

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    (Image courtesy of Tom Grunert/University of Veterinary Medicine Vienna)
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