In short, a legal multi-level marketing (MLM) firm must have a legitimate product, and derive real profits from that product. If a firm derives most revenue from recruits â using the new recruit money to pay older employees, for example â thatâs a pyramid scheme. Common sense goes a long way here.
The terms hip dysplasia, fibrous dysplasia, renal dysplasia refer to an abnormal development, at macroscopic or microscopical level. Myelodysplastic syndromes, or dysplasia of blood-forming cells, show increased numbers of immature cells in the bone marrow, and a decrease in mature, functional cells in the blood.yelodysplastic syndromes, or dysplasia of blood-forming cells, show increased numbers of immature cells in the bone marrow, and a decrease in mature, functional cells in the blood.
The hollow space within bone is called bone marrow. Bone marrow is filled either with adipose tissue and is then called yellow marrow or blood-forming tissue in which case it is called red marrow.Within the middle of the diaphysis of the long bone there is a large cavity called the marrow or medullary cavity.he hollow space within bone is called bone marrow. Bone marrow is filled either with adipose tissue and is then called yellow marrow or blood-forming tissue in which case it is called red marrow.