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53.4 MB (7.0 MB compressed)
3787 x 4926 pixels
32.0 x 41.7 cm ⏐ 12.6 x 16.4 in (300dpi)
LENNART NILSSON / BOEHRINGER INGELHEIM / TT / SCIENCE PHOTO LIBRARY LENNART NILSSON / BOEHRINGER INGELHEIM / TT / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of the hormone gastrin bound to receptors on a parietal cell in the stomach lining. The binding of gastrin stimulates the release of gastric acid.
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