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Definition of Term

water-hardening
(English) In ichthyology, the phenomena involving the movement of water into the perivitelline space (between the external capsular membrane and the vitelline membrane) and the toughening of the capsular membrane of a teleost egg freshly released into water. Takes about a day in Salmonidae. (See also: fertilization, egg development, LarvalBase)
(French) L'expansion et durcissement de capsule d'oeuf dû à l'absorption d'eau dans l'espace périvitellin. (See also: fertilization, egg development, LarvalBase)

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