释义 |
plicidentine|plɪsɪˈdɛntɪn| [f. med.L. plica fold, pleat + dentine.] A form of dentine in which it is folded on a series of vertical plates, causing the surface of the tooth to be fluted.
1854Owen Skel. & Teeth in Orr's Circ. Sc. I. Org. Nat. 273 With reference to the main and fundamental tissue of tooth, we find..six leading modifications in fishes..Vasodentine..Plicidentine..Dendrodentine. 1866Brande & Cox Dict. Sc. etc. II. 935/2 The basal part of the teeth of the Wolf-fish, of the Lepidosteus oxyurus, and of the Ichthyosaurus, affords examples of plicidentine. |