A rare, inherited disease that is marked by a lack of B lymphocytes (white blood cells that make antibodies and help fight infections) and a lack of T lymphocytes (white blood cells that attack virus-infected cells, foreign cells, and cancer cells). Patients with this disease have a high risk of developing viral, bacterial, and fungal infections. A... Found on http://www.cancer.gov/dictionary?expand=S
(= severe combined (or congenital) immunodeficiency disease) An heterogeneous group of inherited disorders characterized by gross functional impairment of the immune system. About half the patients with recessive autosomal form have adenosine deaminase (ADA) deficiency. Another form is caused by lack of a transcription factor required for expression of HLA class II genes.
... Found on http://www.encyclo.co.uk/visitor-contributions.php
Severe Combined Immunodeficiency is an inherited condition affecting the immune system causing individuals to be more susceptible to infectious diseases. Found on http://www.genesinlife.org/glossary