R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY
Hair root in skin, fluorescence light micrograph. The root, embedded in a follicle, is the structure from which a hair shaft grows. Fluorescent markers have been used to highlight proteins in the cells. This tissue sample is from a rat.
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