AskDefine | Define ovoviviparous

Dictionary Definition

ovoviviparous adj : producing living young from eggs that hatch within the body [ant: viviparous, oviparous]

Extensive Definition

Ovoviviparous animals develop within eggs that remain within the mother's body up until they hatch or are about to hatch. This strategy of birth is known as ovoviviparity. It is similar to vivipary in that the embryo develops within the mother's body. Unlike the embryos of viviparous species, ovoviviparous embryos are nourished by the egg yolk rather than by the mother's body. However, the mother's body does provide gas exchange.
Ovoviviparity is employed by many aquatic life forms such as fish and some sharks, reptiles, and invertebrates. The young of ovoviviparous amphibians are sometimes born as larvae, and undergo metamorphosis outside the body of the mother.
ovoviviparous in Czech: Vejcoživorodost
ovoviviparous in German: Ovoviviparie
ovoviviparous in Spanish: Ovovivíparo
ovoviviparous in French: Ovoviviparité
ovoviviparous in Croatian: Ovoviviparnost
ovoviviparous in Italian: Ovovivipari
ovoviviparous in Dutch: Ovovivipariteit
ovoviviparous in Polish: Jajożyworodność
ovoviviparous in Portuguese: Ovovivíparo
ovoviviparous in Russian: Яйцеживорождение
ovoviviparous in Swedish: Ovovivipar
ovoviviparous in Turkish: Oovivipar
ovoviviparous in Chinese: 卵胎生
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