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51.3 MB (51.0 MB compressed)
5218 x 3437 pixels
44.2 x 29.2 cm ⏐ 17.4 x 11.5 in (300dpi)
PR. J. BERNARD / CNRI / SCIENCE PHOTO LIBRARY PR. J. BERNARD / CNRI / SCIENCE PHOTO LIBRARY
Alder's anomaly. Light micrograph of an abnormal lymphocyte white blood cell (centre) from a blood sample in a case of Alder's anomaly. This is a genetic condition where some or all types of white blood cells have an abnormal appearance due to the presence of coarse azurophilic granules. These are visible in the lymphocyte's vacuoles as small red dots. An azurophilic granule (azurophil) or inclusion is one that takes up stains with an azure (dark red) colour. Lymphocytes, a type of white blood cell, are part of the body's immune system.
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