Heamatology

• Define Transfusion science

  The study of blood transfusion and related processes
• Label the components of the centrifuged blood

  X

  A) Plasma

  B) Erythrocytes

  C) Buffy coat

  D) Leukocytes and platelets

  
• What is haemopoiesis

  Development of blood cells.
• What are the main features of erythrocytes

  • Biconcave
  • Enucleated
  • Large surface area
  • Haemoglobin
  • Enzymes
• What is haemoglobinopathies

  Abnormal production of haemoglobin
• What do megakaryocytes form and how.

  Platelets. Pinch of regions of the cytoplasm.
• what is Thalassaemias

  Reduced rate of synthesis of either the Alpha or Beta chains.
• What is the pathology of thalassemias

  Small erythrocytes are destroyed resulting in anaemia.
• What are the two types of thalassemias

  Alpha or Beta.
• Where is thalassemias most common

  Alpha is most common in the far east. Beta is most common in the mediterranean.
• What is an autologous blood transfussion

  Patient's blood is removed and transfused into them.