Term Name:	SADDAN
Synonyms:	SADDAN dysplasia, severe achondroplasia with developmental delay and acanthosis nigricans
Definition:	A syndrome characterized by severe achondroplasia, developmental delay and acanthosis nigricans that has_material_basis_in heterozygous mutation in the FGFR3 gene on chromosome 4p16.
Ontology:	Human Disease [DOID:0111158]   ( DOID:0111158 )