Finito Medicine
Immunology

Immunology Glossary

82 terms

Active Immunity
Immunity developed by own immune system.
Adaptive Immunity
Specific immune response that develops after exposure to pathogens.
Adjuvant
Substance enhancing immune response.
Allergy
Hypersensitive immune response.
Anaphylaxis
Severe, life-threatening allergic reaction.
Antibody
Protein produced by immune system to fight specific antigens.
Antibody-Mediated Immunity
Immunity involving antibodies.
Antigen
Substance that triggers immune response.
Autoimmune Disease
Disease caused by immune attack on self tissues.
Autoimmunity
Immune response against self tissues.
Basophil
White blood cell involved in inflammatory reactions.
B Lymphocyte
White blood cell that produces antibodies.
Cell-Mediated Immunity
Immunity involving T cells.
Clonal Expansion
Multiplication of specific lymphocytes during immune response.
Clonal Selection
Process of selecting specific lymphocytes to respond.
Complement System
Protein system that enhances immune response.
Cross-Reactivity
Antibody reaction with similar antigens.
Cytokine
Signaling molecule in immune system.
Cytokine Storm
Excessive immune response causing inflammation.
Dendritic Cell
Antigen-presenting cell that activates T cells.
ELISA
Test detecting antibodies or antigens.
Eosinophil
White blood cell that fights parasitic infections.
Epitope
Specific part of antigen recognized by immune system.
Flow Cytometry
Technique analyzing immune cells.
Graft Versus Host Disease
Immune cells attacking recipient tissue.
Hypersensitivity
Excessive immune response causing tissue damage.
IgA
Antibody found in mucous membranes.
IgD
Antibody involved in B cell activation.
IgE
Antibody involved in allergic responses.
IgG
Most common antibody in blood.
IgM
First antibody produced in immune response.
Immune Checkpoint
Regulatory pathway in immune response.
Immune Complex
Combination of antibody and antigen.
Immune Response
Body's reaction to foreign substances.
Immune System
Body's defense system against pathogens and disease.
Immunization
Process of becoming immune to specific disease.
Immunodeficiency
Weakness in immune system function.
Immunofluorescence
Technique using fluorescent antibodies.
Immunoglobulin
Protein molecule that acts as antibody.
Immunoglobulin Classes
Different types of antibodies.
Immunohistochemistry
Technique detecting antigens in tissues.
Immunological Barrier
Defense against pathogen entry.
Immunological Competence
Ability to mount immune response.
Immunological Diversity
Variety of immune responses possible.
Immunological Enhancement
Increased immune response.
Immunological Memory
Long-lasting protection against pathogens.
Immunological Network
Interactions between immune components.
Immunological Paralysis
Inability to respond to specific antigen.
Immunological Rejection
Immune response against transplanted tissue.
Immunological Response
Reaction of immune system to stimulus.
Immunological Specificity
Precise recognition of antigens.
Immunological Surveillance
Monitoring for abnormal cells.
Immunological Synapse
Contact between immune cells.
Immunological Test
Test measuring immune response.
Immunological Tolerance
Lack of response to specific antigen.
Immunological Window
Period of susceptibility to infection.
Immunoprecipitation
Technique isolating antigen-antibody complexes.
Immunosuppression
Reduction of immune response.
Immunotherapy
Treatment using immune system.
Inflammation
Protective response to injury or infection.
Innate Immunity
First line of defense, non-specific immune response.
Interferon
Protein that interferes with viral replication.
Interleukin
Type of cytokine that regulates immune response.
Macrophage
Large white blood cell that engulfs pathogens.
Major Histocompatibility Complex
Proteins that help immune system recognize self from non-self.
Mast Cell
Cell that releases histamine in allergic reactions.
Monoclonal Antibody
Identical antibodies from single clone.
Mucosal Immunity
Immune defense at mucous membranes.
Natural Killer Cell
Lymphocyte that kills virus-infected and tumor cells.
Neutrophil
White blood cell that fights bacterial infections.
Opsonization
Process making pathogens easier to phagocytose.
Passive Immunity
Immunity received from another source.
Phagocytosis
Process of engulfing and destroying pathogens.
Primary Response
Initial immune response to antigen.
Secondary Response
Enhanced immune response upon subsequent exposure.
T Lymphocyte
White blood cell that helps destroy infected cells.
Tolerance
Lack of immune response to specific antigen.
Transplant Rejection
Immune response against transplanted tissue.
Tumor Immunity
Immune response against cancer cells.
Vaccination
Introduction of antigen to stimulate immunity.
Vaccine
Preparation that provides immunity.
Western Blot
Technique detecting specific proteins.