Cells that secrete cytokines
Microscopic organisms that cause disease
Immunity that does not require exposure to antigen
Cells that seek out and immediately destroy target cells.
Always works the same way against any type of invading agent
Type of White Blood Cell that is involved in specific defense
Immunity that must include exposure to antigen
Protects against specific pathogens. it depends on activities of the lymphocytes.
Proteins that bind to antigens
Targets that identify any pathogen or foreign compound
Helper T Cells
Passive immunity
Lymphocyte
Cytotoxic T Cells (Killer T Cells)
Pathogen
Antigens
Antibody
Active immunity
Nonspecific defenses
Specific defense
