Term Name:	B cell deficiency
Synonyms:	B cell (antibody) deficiencies, Immunoglobulin heavy chain deficiency, immunoglobulin heavy chain deletion
Definition:	A primary immunnodeficiency disease that is caused by a lack of infection-fighting antibody producing B cells (immunoglobulins) or B cells that are not functioning properly.
Ontology:	Human Disease [DOID:2115]   ( DOID:2115 )