Term Name:	T-cell immunodeficiency, congenital alopecia, and nail dystrophy
Synonyms:	alymphoid cystic thymic dysgenesis, severe T-cell immunodeficiency-congenital alopecia-nail dystrophy syndrome, winged helix deficiency
Definition:	A severe combined immunodeficiency characterized by congenital alopecia, severe T-cell immunodeficiency, and ridging, pitting or curving of all nails that has_material_basis_in homozygous mutation in the FOXN1 gene on chromosome 17q11-q12.
Ontology:	Human Disease [DOID:0060769]   ( DOID:0060769 )