1. 
   odontoblasts
   Columnar cells derived from the dental papilla after ameloblasts have differentiated, and that give rise to the dentine matrix that underlies the enamel of a tooth.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Odontoblasts
   cells lining the dental pulp, derived from the dental papilla wich form the dentine of the tooth crown and root. New odontoblasts may become differentiated from less specialised pericytes in the pulp.
   Found op http://www.eclipse.co.uk/moordent/page5.html
   
   

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