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Encyclopedia > Coronal suture

The coronal suture (sutura coronalis) is a dense, fibrous connective tissue joint that separates the frontal and parietal bones of the skull. At birth, the bones of the skull do not meet. If certain bones of the skull grow too fast then "premature closure" of the sutures may occur. This can result is skull deformities. There are two possible deformities that can be caused by the premature closure of the coronal suture: a high, tower-like skull called "oxycephaly," or a twisted and asymmetrical skull called "plagiocephaly." Connective tissue is any type of biological tissue with an extensive extracellular matrix and often serves to support, bind together, and protect organs. ... This article is about a joint in zootomical anatomy. ... The frontal bone (os frontale) is a bone in the human skull that resembles a cockle-shell in form, and consists of two portions—a vertical portion, the squama, corresponding with the region of the forehead; and an orbital or horizontal portion, which enters into the formation of the roofs... The parietal bones (os parietale) are bones in the human skull and form, by their union, the sides and roof of the cranium. ... A Hippopotamuss skull A skull, or cranium, is a bony structure of Craniates which serves as the general framework for a head. ... Cephalic disorders are congenital conditions that stem from damage to, or abnormal development of, the budding nervous system. ... Cephalic disorders are congenital conditions that stem from damage to, or abnormal development of, the budding nervous system. ...


References

  • "Sagittal suture." Stedman's Medical Dictionary, 27th ed. (2000).
  • Moore, Keith L., and T.V.N. Persaud. The Developing Human: Clinically Oriented Embryology, 7th ed. (2003).

  Results from FactBites:
 
Age (796 words)
At lambda (pars lambdica) of lambdoid and sagittal sutures.
At obelion (pars obelica) of the sagittal suture.
At bregma (pars bregmatica of the coronal and sagittal sutures).
  More results at FactBites »

 
 

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