ivory membrane

mem·bra·na e·bor·is

the lining membrane of the pulp cavity of a tooth, consisting of the odontoblastic layer.
Synonym(s): ivory membrane
Farlex Partner Medical Dictionary © Farlex 2012

ivory membrane

An obsolete term that formerly dignified the layer of odontoblasts found at the periphery of the tooth pulp.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.