Extramedullary Haematopoiesis (EMH) is a compensatory response occurring secondary to inadequate bone marrow function and is observed in many haematological conditions. EMH can occur in many haemoglobinopathies. Extramedullary haemopoiesis favours certain sites such as the liver. the spleen. https://www.marketingjeunesse.com/product-category/vital-natural-serum/