Chapter 21 The Lymphatic System

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Lymphatic and Immune Systems • the body harbors about 10,000 times as many bacterial cells as human cells – some beneficial – some potentially disease causing • immune system – not an organ system, but a population of cells that inhabit all of our organs and defend the body from agents of disease – especially concentrated in the true organ system – lymphatic system • network of organs and vein-like vessels that recover fluid • inspect it for disease agents • activate immune responses • return the fluid to the bloodstream 21-2
Lymphatic and Immune Systems (a) Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Tissue fluid Tissue cell Lymphatic capillary Arteriole Capillary bed • maintain fluid balance Venule Figure 21.3a • protect body from infection and disease 21-3
Page 1: Chapter 21 Lecture Outline Copyrigh
Page 5 and 6: Components of the Lymphatic System
Page 7 and 8: Lymphatic Capillary Copyright © Th
Page 9 and 10: (a) Valve in a Lymphatic Vessel Val
Page 11 and 12: Lymphatic system Lymphatic capillar
Page 13 and 14: Right jugular trunk Right lymphatic
Page 15 and 16: Lymphatic Cells • natural killer
Page 17 and 18: Macrophages Copyright © The McGraw
Page 19 and 20: Lymphatic Nodule Copyright © The M
Page 21 and 22: Red Bone Marrow • red bone marrow
Page 23 and 24: Thymus • thymus - member of the e
Page 25 and 26: Trabecula Lobule (b) Histology of T
Page 27 and 28: Stroma: Capsule Reticular tissue Tr
Page 29 and 30: Lymph Node Locations • abdominal
Page 31 and 32: Lymphadenopathy • lymphadenopathy
Page 33 and 34: Tonsils • tonsils - patches of ly
Page 35 and 36: Figure 21.13 a (a) The Tonsils Copy
Page 37 and 38: Copyright © The McGraw-Hill Compan
Page 39 and 40: Nonspecific Resistance and Immunity
Page 41 and 42: Leukocytes and Macrophages • phag
Page 43 and 44: Eosinophils • found especially in
Page 45 and 46: Lymphocytes • three basic categor
Page 47 and 48: Antimicrobial Proteins • proteins
Page 49 and 50: Complement System • complement sy
Page 51 and 52: Complement System • mechanisms of
Page 53 and 54:
Membrane Attack Complex Copyright
Page 55 and 56:
Membrane Attack Complex • complem
Page 57 and 58:
Enemy cell Action of NK cell Copyri
Page 59 and 60:
Temperature (°C) 39 38 37 2 Hypoth
Page 61 and 62:
Inflammation • inflammation - loc
Page 63 and 64:
Processes of Inflammation • three
Page 65 and 66:
Mobilization of Defenses - selectin
Page 67 and 68:
Containment and Destruction of Path
Page 69 and 70:
Tissue Cleanup • monocytes the pr
Page 71 and 72:
Specific Immunity • immune system
Page 73 and 74:
Passive and Active Immunity • nat
Page 75 and 76:
Lymphocytes • major cells of the
Page 77 and 78:
Life Cycle of T cells - negative se
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Antigen-Presenting Cells (APCs) •
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Figure 21.21a Antigen Processing (a
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Cellular Immunity • cellular immu
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T Cell Recognition • recognition
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Figure 21.22 T cell Activation Copy
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Attack : Role of Helper T (T H) Cel
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Cytotoxic T Cell Function Cancer ce
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Memory • immune memory follows pr
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Humoral Immunity • recognition -
Page 97 and 98:
Humoral Immunity - Recognition Figu
Page 99 and 100:
Antibodies • immunoglobulin (Ig)
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Five Classes of Antibodies • name
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Humoral Immunity - Attack • neutr
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Humoral Immunity - Memory • prima
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Humoral Immunity Responses Serum an
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Hypersensitivity • hypersensitivi
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Type I (acute) Hypersensitivity •
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Type I (acute) Hypersensitivity •
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Type III Hypersensitivity (Immune C
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Autoimmune Diseases • autoimmune
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Immunodeficiency Diseases • Acqui
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AIDS • by destroying TH cells, HI
Page 123 and 124:
HIV Transmission • through blood,
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Chapter 21 The Lymphatic System

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