Bone Marrow System
hematopoietic cells
- stem cells: able to self-renew and regenerate tissue after injury
- myeloid and megakaryocytic postgprogenitors
- professional APC (ie, dendritic cells)
stroma cells (non-hematopoiectic cells)
- macrophages and endothelial cells
- adventitial reticular and adipocyte cells
- ECM (adhesion molecules and proteoglycans)