DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Light micrograph (LM) of Epinephrine (adrenaline, adrenalin) crystals. Adrenaline is a hormone produced in the adrenal medulla that prepares the body for emotional stress by increasing blood sugar levels, metabolic and heart rates. Magnification: x40 when shortest axis printed at 25 millimetres.
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