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Haematology
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Real blood films, a monthly CPD case and free bench tools, made by a UK biomedical scientist for everyone who works at the microscope.

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Red cell

Sickle cell

A red cell bent into a crescent with pointed ends by polymerised haemoglobin S. Sickle cells on a film mean a sickling disorder such as HbSS, HbSC or HbS/β-thalassaemia, confirmed by a…

See 228 pictures in the Library
Blood film from the October 2026 case (MGG, ×100 oil)Open now · October 2026

Morphology Monthly · CPD case

Fatigue, bruising and a falling platelet count

35 year old male presents with fatigue and abdominal pain after illness. Work the film the way you would on the bench, then download your CPD certificate.

15–30 minutesMGG, ×100 oilCPD certificate

Start the caseAll cases

Next: Tiredness, dark urine and yellow eyesOpens 1 November 2026
  • 146terms in the Library
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    Oh blast! Morphology

    A three-part morphology course, plus staining and full blood count courses, with workbooks and certificates.

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  • Featured post · 5 min read

    10 Minutes: The Transfusion Emergency

    The emergency phone in blood transfusion shrieked. Reflections on an emergency call in the Blood Transfusion lab.

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    Only Cells Library

    Search 146 cells, red cell changes, parasites and conditions on real films.

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  • Haematology & Morphology

    Cell & Parasite Identifier

    Step-by-step guide to blood and marrow cells, red cell changes and blood parasites, with real film photos.

  • Haematology & Morphology

    Differential Cell Counter

    Interactive bench multi-key counter for peripheral blood film differential white cell counts.

  • Transfusion Science

    Blood Component Barcode Generator

    ISBT-128 and Codabar test barcode generator for UK, Australian and Irish blood products.

  • Haematology & Morphology

    Photo Counter

    Tap to count cells, parasites, colonies or plaques on a photo, then save the marked picture.

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