What's the noun for cryopreserved? Here's the word you're looking for.
cryopreservation
the preservation of biological tissue at cryogenic temperatures, typically at -80°C (dry ice temperature) or -196°C (the boiling point of liquid nitrogen).
“It was excised, confirmed with an incisional biopsy, and sent for cryopreservation.”
“An alternative approach is cryopreservation of slices or biopsies of ovarian tissue, which contain many thousands of immature oocytes.”
“To date, the only publicised attempt at human ovarian autotransplantation after cryopreservation was unsuccessful because folliculogenesis returned only for a short time.”
