Odontogenic tissue that is collagen-rich and characteristic of vertebrate teeth and tooth-like structures (e.g., odontodes) deposited by preodontoblasts and odontoblasts that are typically excluded from the matrix. [ VSAO:0000071 http://purl.obolibrary.org/obo/go/references/0000034 http://dx.plos.org/10.1371/journal.pone.0051070 PSPUB:0000170 ]
Synonyms: pre-dentine tissue predentine tissue predentin