Synonyms for «new shell»

Synonyms for individual words can be found below.

That gel contains tiny crystals of calcium carbonate that grow to form new shell. (sciencemag.org)
It also would have made it harder for creatures to build new shells. (sciencenewsforstudents.org)
Although most owners will have installed new shells by now, request some paperwork to prove it. (evo.co.uk)
(see all sentences)