Immunology Flashcards
Aka immunoglobins, produced after body detects presence of specific foreign antigens
Antibody
Destroys foreign invaders
Immunoglobulin
Foreign invaders, substances percieved foreign to the body
Antigen
Aka serology
Immunology
Substances within the body capable of inducing the production of antibodies that attack individuals own tissue
Self antigen
Antibody/self antigen reactions may cause a variety if destructive tissue diseases
Autoimmune diseases
Bacteria, viruses, fungi, parasites, cancer
Harmful invaders
Non specific, does not build memory, stops invaders from entering/growing in the body
1st line of external defenses
Good bacteria in the body
Normal flora
White blood cells gather, work against specific pathogens (inflammation, fever)
2nd line of internal no specific defense
Cells capable of engulfing and ingesting microorganisms and cellular debris
Phagocytes
Neutrophils engulf invaders
Phagocytosis
Special type of lymphocyte sent to attack and destroy body’s infected cells and cancer cells in non specific way
Natural killer cells
Proteins secreted by infected cells to prevent further replication and spread of infection into neighboring cells
Interferons
Heat, redness, swelling and pain causing dilation of blood vessels
Inflammation
Aquired immunity, T and B cells work together to produce specific antibodies that will destroy invaders
3rd line of internal specific defense
Cell mediated immunity
T cells
T and B cells
Lynphocytes
Acute allergic reactions and parasite infections
IgE
Primary responder in first encounter with invading antigen
IgM
Responds to antigens in future invasions
IgG
Protects mucous membranes from bacterial and viral infections
IgA
Involved in lymphocyte activation and suppression
IgD
Active immunity
Long term protection
Natural: having infection
Artificial: by vaccination
