Cleidocranial Dysplasia Home>Conditions_and_Diseases>Rare_Disorders>Cleidocranial Dysplasia     Web Pages National Library of Medicine: Cleidocranial Dysplasia (CCD, CLCD) A list of synonyms, summary and major features. Cleidocranial Dysplasia Information about this rare genetic disorder, studies and a chat room. A Natural History of Cleidocranial Dysplasia An article from Baylor College of Medicine. MedicineNet.com: Cleidocranial Dysplasia Basic information.