haematopoiesis

(redirected from Extramedullary haematopoiesis)
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haematopoiesis

The growth and maturation of the blood cells and other formed blood elements in the bone marrow. Haematopoiesis normally occurs in the flat bones, such as the pelvis, breastbone and shoulder-blades, but in times of extra demand may extend to other bones or even other tissues such as the liver. All haematopoiesis, including both red and white cells, develops from a single type of stem cell.

haematopoiesis

or

haemopoiesis

the process leading to red blood cell production.
References in periodicals archive ?
These changes were suggestive of an intraparenchymal haemorrhage with associated meningeal extramedullary haematopoiesis as there were lobulated focal areas of high abnormal signals within the parasellar region and the region of the base of the skull as well.
The CT features were typical of extramedullary haematopoiesis (EMH), defined as the development and growth of haematopoietic tissue outside the bone marrow.
Intrathoracic extramedullary haematopoiesis complicated by massive haemothorax in alpha-thalassaemia.
On the same note, as these patients were deprived of blood transfusions so they must have developed extramedullary haematopoiesis, which lead to hepatosplenomegaly and skeletal abnormalities that is missing in the clinical findings of these trials.
4 Another milestone is documentation of extramedullary haematopoiesis in four patients following acute myocardial infarction by Goldman and Wurzel.
Extramedullary haematopoiesis (EMH) is a rare cause of spinal cord compression.