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Pediatric Immunology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

opsonization

Intermediate Technical IVT

The process of coating pathogens with antibodies or complement proteins to enhance phagocytosis by immune cells.

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adenosine deaminase deficiency

Professional Technical IVT

Genetic disorder causing severe combined immunodeficiency due to toxic accumulation of purine metabolites in lymphocytes...

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adjuvant

Intermediate Technical IVT

A substance added to vaccines to enhance the immune response, particularly important in pediatric vaccination schedules.

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allotype

Advanced Technical IVT

Genetic variants of immunoglobulin or other immune proteins that differ between individuals, relevant in pediatric trans...

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anergic

Intermediate Technical IVT

Describing immune cells that are unresponsive to antigenic stimulation, often seen in immunocompromised pediatric patien...

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anergy

Advanced Technical IVT

The absence of an expected immune response to specific antigens, often tested via skin patch testing in pediatric patien...

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ataxia-telangiectasia

Advanced Technical IVT

A rare genetic disorder combining progressive neurodegeneration with immunodeficiency and increased cancer susceptibilit...

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A disorder of lymphocyte apoptosis causing lymphadenopathy, splenomegaly, and autoimmune cytopenias.

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bare lymphocyte syndrome

Professional Technical IVT

A primary immunodeficiency characterized by absent or deficient MHC class I or II molecule expression on immune cells.

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bone marrow transplantation

Intermediate Technical IVT

A therapeutic procedure involving infusion of hematopoietic stem cells to reconstitute the immune system in patients wit...

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bronchiectasis

Intermediate Technical IVT

Abnormal widening and scarring of airways, often seen as a complication of recurrent respiratory infections in immunodef...

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CD markers

Intermediate Technical IVT

Cluster of differentiation antigens used to identify and classify immune cell types and developmental stages.

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chronic granulomatous disease

Professional Technical IVT

Primary immunodeficiency affecting phagocyte function, characterized by recurrent bacterial and fungal infections with g...

CGD
Technical Term Full entry →

complement deficiency

Advanced Technical IVT

Inherited disorders affecting the complement system, leading to increased susceptibility to certain infections.

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conditioning regimen

Intermediate Technical IVT

Preparative treatment protocol used before hematopoietic stem cell transplantation to suppress immunity and create space...

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CVID

Advanced Technical IVT

Common Variable Immunodeficiency, a primary immunodeficiency characterized by low antibody levels and recurrent infectio...

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cytokine storm

Intermediate Technical IVT

Excessive and uncontrolled release of pro-inflammatory cytokines that can cause severe tissue damage and organ dysfuncti...

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DiGeorge syndrome

Advanced Technical IVT

A primary immunodeficiency disorder caused by chromosomal deletion affecting thymic development and T-cell production.

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Dihydrorhodamine Assay

Advanced Technical IVT

A flow-cytometry-based functional test that measures the oxidative burst of neutrophils by detecting conversion of dihyd...

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donor chimerism

Intermediate Technical IVT

The percentage of donor-derived cells in a transplant recipient, used to monitor engraftment success.

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engraftment syndrome

Professional Technical IVT

Inflammatory complication following hematopoietic stem cell transplantation characterized by fever, rash, and organ dysf...

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epitope spreading

Advanced Technical IVT

Progressive immune recognition of additional antigenic determinants during autoimmune disease development in pediatric p...

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flow cytometry

Intermediate Technical IVT

A laboratory technique used to analyze cell populations by measuring physical and chemical characteristics of individual...

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gain-of-function mutation

Professional Technical IVT

A genetic alteration that enhances or creates new protein activity, often causing immune dysregulation in pediatric pati...

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gene therapy

Professional Technical IVT

A therapeutic approach involving introduction of genetic material to correct defective genes causing immunodeficiency di...

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Showing 1–24 of 100

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