R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY
Tongue blood vessel. Fluorescence deconvolution light micrograph of a section through a branching blood vessel in tongue tissue, showing smooth muscle actin (green), alpha defensin (red) and cell nuclei (blue). Alpha defensins are antimicrobial peptides, part of the innate immune response. Magnification: x200, when printed 10 cm wide.
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