Fish-scale covering

• Shiny substance that resemble enamel and is secreted by the corium of certain fishes (especially ganoid fishes) and composes the outer layer of their scales

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Ganoine \Ga"no*ine\, n. (Zo["o]l.) A peculiar bony tissue beneath the enamel of a ganoid scale.

Wiktionary Word definitions in Wiktionary
n. (context zoology English) A kind of bony tissue beneath the enamel of a ganoid scale.

Wikipedia Word definitions in Wikipedia
Ganoine or ganoin is a glassy, often multi-layered mineralized tissue that covers the scales , cranial bones and fin rays in some basal ray-finned fishes . It is composed of rod-like, pseudoprismatic apatite crystallites, with less than 5% of organic matter. ...

WordNet Word definitions in WordNet
n. shiny substance that resemble enamel and is secreted by the corium of certain fishes (especially ganoid fishes) and composes the outer layer of their scales [syn: ganoin ]