Immune system
, Acknowledgement
• Material used in some of the slides was taken
from open websites and personnel
communications.
• Help from these sites and providers is
acknowledged.
, THE IMMUNE SYSTEM
• Molecules, cells, tissues and organs which
provide non-specific and specific protection
against
• Microorganisms
• Microbial toxins
• Tumor cells
– Crucial to human survival
, ORIGIN OF CELLS OF THE IMMUNE SYSTEM
• Derived from common progenitor cell in bone
marrow
– Pluripotent hematopoietic stem cell
• Progenitor Stem Cells
– Myeloid lineage
• Monocyte/macrophage, dendritic cells, PMN’s, mast
cells
• Erythroid : Erythrocytes and Megakaryocytes
– Lymphoid lineage
• Small and large lymphocytes
, Acknowledgement
• Material used in some of the slides was taken
from open websites and personnel
communications.
• Help from these sites and providers is
acknowledged.
, THE IMMUNE SYSTEM
• Molecules, cells, tissues and organs which
provide non-specific and specific protection
against
• Microorganisms
• Microbial toxins
• Tumor cells
– Crucial to human survival
, ORIGIN OF CELLS OF THE IMMUNE SYSTEM
• Derived from common progenitor cell in bone
marrow
– Pluripotent hematopoietic stem cell
• Progenitor Stem Cells
– Myeloid lineage
• Monocyte/macrophage, dendritic cells, PMN’s, mast
cells
• Erythroid : Erythrocytes and Megakaryocytes
– Lymphoid lineage
• Small and large lymphocytes