30.7 MB (883.3 KB compressed)
3780 x 2835 pixels
32.0 x 23.9 cm ⏐ 12.6 x 9.4 in (300dpi)
CAVALLINI JAMES / BSIP / SCIENCE PHOTO LIBRARY CAVALLINI JAMES / BSIP / SCIENCE PHOTO LIBRARY
Clostridium botulinum bacteria (botulism bacillus). This bacterium secretes a powerful toxin which blocks the motor neurons responsible for muscle contraction. When injected locally this toxin (Botox) diminishes wrinkles by paralysing the muscles that cause them. Optical microscope x 2000.
Model release not required. Property release not required.