<prompt> Ectomesenchymal cells closer to the outer margin of the enamel organ will differentiate into:Dental papilla.Dental follicle.Dental sac.None.  <response>: Ectomesenchymal cells closer to inner margins of enamel organ will differentiate - Dental papilla Ectomesenchymal cells closer to outer margins of enamel organ will differentiate - Dental follicle. 