Anat. and Phys. Pl. -oses. [Contracted from SYNOSTEOSIS.] Union or fusion of adjacent bones by growth of bony substance (either normal or abnormal).
1848. [see SYNOSTEOSIS].
1864. J. B. Davis, Neanderthal Skull, 4. Synostosis, or the premature ossification of one or more of the sutures between the cranial bones.
1898. J. Hutchinson, in Archives Surg., IX. 352. Multiple exostoses, hyperostoses, and synostoses of the vertebral column.
Hence Synostotic a., pertaining to, characterized by, or affected with synostosis.
1864. Thurnam, in Nat. Hist. Rev. (1865), April, 247. The abnormal scaphoid skulls of the African races … seem to fall … under the definition of what is termed by Welcker, synostotic dolichocephalism.
1864. J. B. Davis, Neanderthal Skull, 13. The great depression of the frontal and vertical regions in a synostotic skull.
1904. Duckworth, Morphol. & Anthropol., x. 251. Synostotic deformation … consequent upon … precocious union of two or more cranial bones.
