csontveli
Bone marrow is the soft, highly vascular tissue found inside the medullary cavities of bones. In Hungarian, the term csontvelő refers to this tissue. Bone marrow is the major site of hematopoiesis, the production of blood cells, including red blood cells, white blood cells, and platelets, throughout most of life.
There are two main types: red marrow and yellow marrow. Red marrow is rich in hematopoietic tissue
Anatomically, bone marrow contains a supportive stromal network of reticular cells, fibroblasts, and extracellular matrix, within
Developmentally, hematopoiesis transitions from fetal sites (yolk sac, liver, and spleen) to the bone marrow around