craniosynostosis

noun

cra·​nio·​syn·​os·​to·​sis ˌkrā-nē-ō-ˌsi-ˌnä-ˈstō-səs 

: premature fusion of the sutures of the skull

Examples of craniosynostosis in a Sentence

Recent Examples on the Web

Like her mother, Dove has also had her own set of health challenges, previously being diagnosed with lambdoid craniosynostosis, a rare condition that affects the way a skull forms after birth, according to the Mayo Clinic. —Ingrid Vasquez, People.com, 26 Feb. 2025

He was diagnosed with craniosynostosis as a child but successfully outgrew a condition where his skull bones began to prematurely fuse in two places. —Shannon Russell, The Courier-Journal, 10 Apr. 2021

Dove was diagnosed with lambdoid craniosynostosis following a CT scan and was recommended for neurosurgery. —Claudia Harmata, PEOPLE.com, 2 Aug. 2020

What are the symptoms of craniosynostosis? —Maggie O'Neill, Health.com, 6 July 2020

Word History

Etymology

New Latin

First Known Use

1951, in the meaning defined above

Rhymes for craniosynostosis

• actinomycosis
• atherosclerosis
• endometriosis
• erythematosus
• erythroblastosis
• granulomatosis
• hemochromatosis
• histiocytosis
• hyperkeratosis
• ketoacidosis
• mononucleosis
• osteonecrosis

Medical Definition

craniosynostosis

noun

cra·​nio·​syn·​os·​to·​sis -ˌsin-ˌäs-ˈtō-səs 

plural craniosynostoses -ˌsēz 

: the premature closure during infancy of the fibrous joints of the skull (such as the coronal suture or sagittal suture)

Left untreated, craniosynostosis can lead to increased intracranial pressure, resulting in headaches, visual disturbances and developmental delay.

—The Chicago Daily Herald