Definition of synostosis in English:

synostosis

Syllabification: syn·os·to·sis
Pronunciation: /ˌsinäˈstōsis
 
/

noun (plural synostoses /-sēz/)

Physiology & Medicine
  • The union or fusion of adjacent bones by the growth of bony substance, either as a normal process during growth or as the result of ankylosis.
    More example sentences
    • Isolated sagittal synostosis, premature fusion of the sagittal suture, is the most common type of craniosynostosis and accounts for 56% to 58% of reported cases.
    • Familial nonsyndromic craniosynostosis, which affects 2 to 6 percent of infants with sagittal synostosis and 8 to 14 percent of infants with coronal synostosis, is transmitted as an autosomal dominant disorder.
    • There may be partial or complete fusion of a suture, but a short segment of synostosis often produces the same deformity as a complete fusion.

Origin

mid 19th century: from syn- 'together' + Greek osteon 'bone' + -osis.

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