Hematopoiesis – the formation and development of red and white blood cells. Hematopoietic stem...
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Hematopoiesis – the formation and development of red and white blood cells. Hematopoietic stem cells (HSC) – the cell type from which all lineages of blood cells Cells/Organs of the Immune System
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Transcript of Hematopoiesis – the formation and development of red and white blood cells. Hematopoietic stem...
Hematopoiesis – the formation and development of red and white blood cells.
Hematopoietic stem cells (HSC) – the cell type from which all lineages of blood cells arise.
Cells/Organs of the Immune System
Cells of the Immune SystemLeukocytes – White blood cells
Myelocytes –macrophage, neutrophil, eosinophil,basophil
Leukocytes – B, T and NK cells
From Larsson and Karlsson (2005)
Cells of the Immune System
Larsson and Karlsson (2005)
Homeostasis - The ability or tendency of an organism or cell to maintain internal equilibrium by adjusting its physiological processes.
Cells of the Immune System
Cells of the Immune SystemExamples of apoptosis
LM
SEM
Myeloid cells
Dendritic cell
Mononuclear phagocytes–Endocytosis takes material into a cell within vesicles that bud inward from the plasma membrane.
Mononuclear phagocytes
Granulocytic cellsNeutrophil
Lymphocytes:
T cellsB cells Natural killer cells
Cells of the Immune System
Lymphocyte fate following antigen activation:
Cells of the Immune System
Recall:Jerne, Talmadge & Burnet – clonal selection theory
B lymphocytes (B cells)
T lymphocytes (T cells)
T reg cell
•Natural killer cells – distinct from T and B cells due to lack of an antigen binding receptor, similar in function to TC cells.
NK Cells
Dendritic cells
