36.3 MB (36.0 MB compressed)
3954 x 3211 pixels
33.5 x 27.2 cm ⏐ 13.2 x 10.7 in (300dpi)
FRANCIS LEROY, BIOCOSMOS / SCIENCE PHOTO LIBRARY FRANCIS LEROY, BIOCOSMOS / SCIENCE PHOTO LIBRARY
Ultraviolet Fluorescence micrograph showing the microtubular network of an animal cell, made visible with fluorescent antibodies. Microtubules, together with microfilaments (not seen here), form a three-dimensional array known as the cytoskeleton of the cell. This fibrous network, only recently observed using ultraviolet light & fluorescent stains, is still poorly understood. Microtubules, more rigid than microfilaments, are thought to act as direction markers in the cell.
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