conchiolin meaning in Hindi

Examples

1. The distinct peripheral belt demonstrates that a conchiolin keel was present.
2. Both genera are characterised by partially uncalcified ( conchiolin ) shell portions.
3. Conchiolin is composed largely of quinone-tanned proteins.
4. There are no visible growth lines of conchiolin in cross-sections of sclerites.
5. The combination of aragonite and conchiolin is called nacre, which makes up mother-of-pearl.
6. On the teleoconch whorls, the peripheral belt on which the conchiolin keel was attached is very clear.
7. In the mantle, tiny tubes excrete the almost invisible specks of mineral salt that cement to the conchiolin.
8. The layers usually incorporate a substance called conchiolin, often in order to help bind the calcium carbonate crystals together.
9. These semi-rigid structures are part of the periostracum, a thin protein layer ( conchiolin ) secreted by the snail to cover the calcareous shell.
10. It is also possible to test conchiolin, which is an organic protein found in shell, but this only constitutes 1-2 % of shell material.