Chapter 2: Cells and Organs of the Immune System

1
Chapter 2 Cells and Organs of the Immune
System
A macrophage interacting with bacteria
2
pluripotent
Fig. 2-1 Hematopoiesis
3
(connective tissue cells)
Fig. 2-2 Culturing hematopoietic stem cells
4
(No Transcript)
5
(No Transcript)
6
Fig. 2-3
Cell damage produces
Programmed Cell Death Required for homeostasis.
7
Fig. 2-4 .
TEM
Normal T-cell
Apoptotic T-cell
SEM
8
(No Transcript)
9
(No Transcript)
10
Flfluorsecent
Sstem cell Pprogenitor cell Mmonocyte Lleukocy
te Bbasophil Eoeosinophil Eerythrocyte
(stem cell ag a cell surface marker for early
differentiation)
Fig. 2-6 Enrichment of stem cells
11
p. 34
12
(hematopoietic stem cells)
13
(No Transcript)
14
Fig. 2-7 Ag activated B cell
15
Condensed chromatin indicates cell at rest.
Abundant ER around nucleus
Fig. 2-7
16
(No Transcript)
17
Fig. 2-8
18
(No Transcript)
19
Chapter 2 Cells and Organs of the Immune
System
A macrophage interacting with bacteria
20
Fig. 2-9 Ag presentation
21
(No Transcript)
22
(No Transcript)
23
(Not a phagocyte)
Fig. 2-10 Granulocytes
24
Fig. 2-11 Lineages of Dendritic cells (cells
with lots of membrane extensions)
25
Fig. 2-12 long beaded dendrites
26
Fig. 2-13 the Lymphoid system
27
Fig. 2-14 Cross-section of thymus
28
Fig. 2-15 Changes in thymus with age
29
Fig. 2-16 Lymphatic vessels
30
Fig. 2-18 Structure of a lymph node
31
Fig. 2-19 Spleen
32
Fig. 2-10 Tonsils
33
Fig. 2-21 Intestine lining
34
Fig. 2-22 M-cells of the mucous membranes
transport ag across cell and release into pocket
stimulating IgA secretion.
35
Fig. 2-23 Evolutionary distribution of lymphoid
tissues
36
P. 56 Ag-Ab interaction
37
(No Transcript)
38
(No Transcript)
39
(No Transcript)
40
(No Transcript)