Avian blood

  • Royal Veterinary College
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Blood smear from a bird showing the prolific nucleated red blood cells and a variety of white blood cells. The small, compact, purple-stained cells are thrombocytes, the larger pinky purple cells are heterophils. Bird red blood cells differ from mammalian red blood cells by retaining their nuclei. The sample has been stained with haemotoxylin (purple) and eosin (pink).

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