cleidocranial dysplasia

noun

clei·​do·​cra·​ni·​al dysplasia ˌklī-dō-ˈkrā-nē-əl- How to pronounce cleidocranial dysplasia (audio)
variants or cleidocranial dysostosis
: a rare congenital condition characterized especially by partial or complete absence of the clavicles, defective ossification of the skull, and faulty occlusion due to missing, misplaced, or extra teeth
Characteristics of cleidocranial dysplasia are alveolar bone abnormalities, impaired dental exfoliation, supernumerary teeth, and lack of cementum in roots.Bodo Grimbacher et al., The New England Journal of Medicine

Note: Cleidocranial dysplasia is typically inherited as an autosomal dominant trait requiring that one parent pass on a copy of the defective gene on a chromosome other than a sex chromosome.

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Cite this Entry

“Cleidocranial dysplasia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/cleidocranial%20dysplasia. Accessed 23 Apr. 2024.

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