A soft, fatty substance in the cavities of bones, in which blood cells are produced
Formation of bone marrow, or of the cells that bone marrow makes is the medical definition for myelopoiesis.
Leukemia by definition is cancer of the blood or bone marrow, so you "get" it in your blood or bone marrow.
bone marrow
red marrow and yellow marrow...
Red Marrow, and Yellow Marrow.
marrow
The marrow in the medullary cavity is primarily composed of yellow marrow, which stores fat, while the marrow in the spongy bone is red marrow where blood cells are produced. Yellow marrow is found in long bones, whereas spongy bones contain red marrow in their trabeculae.
There is yellow bone marrow and red bone marrow.
There is yellow bone marrow and red bone marrow.
bone marrow
The two types of marrow are :  ● Red Marrow ● Yellow Marrow ● The function of the red bone marrow is to produce new blood cells ● The yellow marrow stores fat that can be served as an energy reserve. √ :D :P B-)
The soft, fatty, vascular tissue that fills most bone cavities and is the source of red blood cells and many white blood cells