CONTENTS 



CHAPTER I: Causes of Disease i 



Health, i — Disease, i— Agents of disease, mechanical, 

 physical, chemical, animate, 3 — Infectious agents, 5 — 

 Parasite, 8 — Specific and non-specific infectious agents, 

 9 — Specific and non-specific infectious diseases, 10 — 

 Characteristics of infectious diseases, 12 — Local and gen- 

 eral infections, 19 — Combined infections, 22 — Secondary 

 infections, 23 — Self -limiting nature of infectious diseases, 

 24— Antibodies, 25— Agglutinins, 27— -Opsonins, 27— 

 Complications, 32 — Terminal infections, 34 — Evolution 

 of disease, 34 — Communicable diseases, 37. 



CHAPTER H: Bacteriology 38 



Arts and industries, 39— Saprophytes, 40— Pathogenic and 

 non-pathogenic bacteria, 41 — Size, 42 — Multiplication, 42 

 — Shape, 43 — Grouping, 44— Distribution, 45 — Specific 

 and non-specific bacteria, 51 — Spores, 52 — Factors neces- 

 sary for the growth of bacteria, 53— Agents harmful to 

 bacteria, 57 — Deodorant, 57 — Insecticides, 58. 



CHAPTER III: Phenomena of Infection 66 



Infectious agents in disease, 68: Number of bacteria in, 

 68— Portals of entry, 69— Virulence, 70 — Microbic associa- 

 tion (symbiosis), 71 — Conveyance by insects, 72. The 

 body in relation to infections, 73: Predisposition, 74 — 

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