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Derivation of the mammalian skull vault

  • GILLIAN M. MORRISS-KAY (a1)

Abstract

This review describes the evolutionary history of the mammalian skull vault as a basis for understanding its complex structure. Current information on the developmental tissue origins of the skull vault bones (mesoderm and neural crest) is assessed for mammals and other tetrapods. This information is discussed in the context of evolutionary changes in the proportions of the skull vault bones at the sarcopterygian-tetrapod transition. The dual tissue origin of the skull vault is considered in relation to the molecular mechanisms underlying osteogenic cell proliferation and differentiation in the sutural growth centres and in the proportionate contributions of different sutures to skull growth.

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Correspondence to Professor G. M. Morriss-Kay at the Department of Human Anatomy and Genetics, South Parks Road, Oxford OX1 3QX, UK. Tel.: +44 1865 272165/9; fax: +44 1865 272420; e-mail: morrissk@ermine.ox.ac.uk

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Derivation of the mammalian skull vault

  • GILLIAN M. MORRISS-KAY (a1)

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