start stage end stage odontoid tissue predentine Odontoid tissue formed of a loose matrix of collagen. The fibrils of the predentine are homogeneously distributed and preferentially oriented along the long axis of the tooth. They are of variable thickness, measuring from 50 to 100 nm in diameter. Ceri 2012-04-19T02:42:59Z predentin ZFA:0005635 pre-dentine zebrafish_anatomy unknown adult