Neuroembryology and functional anatomy of craniofacial clefts

The master plan of all vertebrate embryos is based on neuroanatomy. The embryo can be anatomically divided into discrete units called neuromeres so that each carries unique genetic traits. Embryonic neural crest cells arising from each neuromere induce development of nerves and concomitant arteries...

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Main Authors: Ewings Ember, Carstens Michael
Format: Article
Language:English
Published: Thieme Medical Publishers, Inc. 2009-10-01
Series:Indian Journal of Plastic Surgery
Subjects:
Online Access:http://www.ijps.org/article.asp?issn=0970-0358;year=2009;volume=42;issue=3;spage=19;epage=34;aulast=Ewings
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author Ewings Ember
Carstens Michael
author_facet Ewings Ember
Carstens Michael
author_sort Ewings Ember
collection DOAJ
description The master plan of all vertebrate embryos is based on neuroanatomy. The embryo can be anatomically divided into discrete units called neuromeres so that each carries unique genetic traits. Embryonic neural crest cells arising from each neuromere induce development of nerves and concomitant arteries and support the development of specific craniofacial tissues or developmental fields. Fields are assembled upon each other in a programmed spatiotemporal order. Abnormalities in one field can affect the shape and position of developing adjacent fields. Craniofacial clefts represent states of excess or deficiency within and between specific developmental fields. The neuromeric organization of the embryo is the common denominator for understanding normal anatomy and pathology of the head and neck. Tessier′s observational cleft classification system can be redefined using neuroanatomic embryology. Reassessment of Tessier′s empiric observations demonstrates a more rational rearrangement of cleft zones, particularly near the midline. Neuromeric theory is also a means to understand and define other common craniofacial problems. Cleft palate, encephaloceles, craniosynostosis and cranial base defects may be analyzed in the same way.
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spelling doaj.art-5aa959baf80d4ecf91575dc5ed4d95782022-12-22T00:07:28ZengThieme Medical Publishers, Inc.Indian Journal of Plastic Surgery0970-03581998-376X2009-10-014231934Neuroembryology and functional anatomy of craniofacial cleftsEwings EmberCarstens MichaelThe master plan of all vertebrate embryos is based on neuroanatomy. The embryo can be anatomically divided into discrete units called neuromeres so that each carries unique genetic traits. Embryonic neural crest cells arising from each neuromere induce development of nerves and concomitant arteries and support the development of specific craniofacial tissues or developmental fields. Fields are assembled upon each other in a programmed spatiotemporal order. Abnormalities in one field can affect the shape and position of developing adjacent fields. Craniofacial clefts represent states of excess or deficiency within and between specific developmental fields. The neuromeric organization of the embryo is the common denominator for understanding normal anatomy and pathology of the head and neck. Tessier′s observational cleft classification system can be redefined using neuroanatomic embryology. Reassessment of Tessier′s empiric observations demonstrates a more rational rearrangement of cleft zones, particularly near the midline. Neuromeric theory is also a means to understand and define other common craniofacial problems. Cleft palate, encephaloceles, craniosynostosis and cranial base defects may be analyzed in the same way.http://www.ijps.org/article.asp?issn=0970-0358;year=2009;volume=42;issue=3;spage=19;epage=34;aulast=EwingsCleft; Embryology; Tessier
spellingShingle Ewings Ember
Carstens Michael
Neuroembryology and functional anatomy of craniofacial clefts
Indian Journal of Plastic Surgery
Cleft; Embryology; Tessier
title Neuroembryology and functional anatomy of craniofacial clefts
title_full Neuroembryology and functional anatomy of craniofacial clefts
title_fullStr Neuroembryology and functional anatomy of craniofacial clefts
title_full_unstemmed Neuroembryology and functional anatomy of craniofacial clefts
title_short Neuroembryology and functional anatomy of craniofacial clefts
title_sort neuroembryology and functional anatomy of craniofacial clefts
topic Cleft; Embryology; Tessier
url http://www.ijps.org/article.asp?issn=0970-0358;year=2009;volume=42;issue=3;spage=19;epage=34;aulast=Ewings
work_keys_str_mv AT ewingsember neuroembryologyandfunctionalanatomyofcraniofacialclefts
AT carstensmichael neuroembryologyandfunctionalanatomyofcraniofacialclefts