Immunology Flashcards
(26 cards)
Study of the immune system
Immunology
Study of host’s reaction when foreign antigens are introduced to the body?
Immunology
Practice of inhaling powder made from small scabs
Variolation
Developed a vaccine against smallpox using cow pox antigen
Edward Jenner
Antibody reacts with antigen that is structurally like the original antigen.
Cross-reactivity
Eradicated infectious organism
Small pox and Rinderpest
Developed the first attenuated vaccine
Louis Pasteur
Use of bacteria or viruses that have been weakened
Attenuation
Phagocytosis
Elie Metchnikoff
Demonstrated that diptheria and tetanus toxins could be neutralized
Emil Von Behring
Showed that the immune response is involved in both cellular and humoral elements
Almroth Wright
Antibodies not only recognize chemical features such as polarity, hydrophobicity, and ionic charge
Karl Landsteiner
Ability of the individual to resist infection by means of normally body functions
Natural Immunity
Ability to remember a prior exposure
Adaptive Immunity
Anatomical barriers designed to keep microorganisms from entering the body
External Defense System
Recognize specific molecular components of pathogens
Internal Defense System
Physical primary defense mechanism
Skin, Mucous membrane, and Cilia lining of the respiratory tract
Biochemical: Lactic acid is seen in
Sweat
Biochemical: seen in tears or saliva
Lysozymes
This has anti-bacterial properties against gram positive (+) organisms
Lysozymes
Biochemical: Acidity of?
GIT and Vagina
Majority of infectious agent live in a neutral pH
Neutrophil
Kills EXTRACELLULAR organisms
Phagocytes
Kills INTRACELLULAR organisms
Natural Killer (NK) cells
