Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A continuous layer of
dentine , covered by a layer ofenamel , that takes the place ofscales in some ancientfish .
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word cosmine.
Examples
-
Fish scales are formed in the mesoderm from bone, covered in a dentine-like substance called cosmine, and finally surfaced with keratin.
Scientific Blogging logicman 2010
-
The coelacanth's scales are thinner than true cosmoid scales because they lack the layer of cosmine that true cosmoid scales possess.
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.