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English: cryopreservation

Welsh: rhewgadw

Part of speech

Verb

Definition

Preserve (cells or tissues) by cooling them below the freezing point of water.

Context

Mae'r polisi'n cynnwys rhewgadw (tynnu a storio) gametau a/neu embryonau cyn dechrau triniaeth feddygol neu lawfeddygol a fydd yn effeithio ar ffrwythlondeb.