hypohidrotic ectodermal dysplasia Christ-Siemens-Touraine Syndrome disease_ontology GARD:76 ORDO:238468 MESH:D053358 SNOMEDCT_US_2020_03_01:239007005 NCI:C84562 OMIM:224900 An ectodermal dysplasia that is characterized by malformation of ectodermal (skin, hair, teeth and sweat glands) structures including hypotrichosis (sparseness of scalp and body hair), hypohidrosis (reduced ability to sweat), and hypodontia (congenital absence of teeth). UMLS_CUI:C0162359 DOID:14793 OMIM:129490 DOID:0050447 OMIM:300291 DOID:0050446 Ectodermal Dysplasia 1, Anhydrotic Hypohidrotic X-linked ectodermal dysplasia OMIM:305100 OMIM mapping confirmed by DO. [SN]. anhidrotic ectodermal dysplasia 3 ectodermal dysplasia