Meanings
plural plicidentines
- biologyA form of dentin containig sinuous tubules.
Infolded dentine (plicidentine) around the pulp cavities of the tooth roots is an ancient dental feature of fishes (sarcopterygians and actinopterygians
2020, Garbe,U, Neutron Radiography: WCNR-111 more example
In modern levels, only the plate type tooth of myliobatoid rays is composed of plicidentine. The tooth of an eagle ray, Myliobatis, is composed of an outer thin layer of enameloid, an inner plicidentine and a basal osseous tissue.
2012, Shoichi Suga, Hiroshi Nakahara, Mechanisms and Phylogeny of Mineralization in Biological Systems
Origin
- Latinplica“fold”
- Englishplicidentine
Latin plica (“fold”) + English dentine.
More words from Latin
Full word history & related roots →Cite this entry
plicidentine. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/plicidentine
“plicidentine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/plicidentine. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “plicidentine,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/plicidentine.
Source: plicidentine on Wiktionary, CC BY-SA 4.0.