48.2 MB (6.2 MB compressed)
5100 x 3300 pixels
43.2 x 27.9 cm ⏐ 17.0 x 11.0 in (300dpi)
MEDICAL RF.COM / SCIENCE PHOTO LIBRARY MEDICAL RF.COM / SCIENCE PHOTO LIBRARY
A mast cell contains many granules rich in histamine and heparin. It has roles in allergy and anaphylaxis and the immune system.
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