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What (who) is viviparity$90675$ - definition
QUALITY OF GIVING BIRTH TO LIVE YOUNG IN ANIMALS, OR, IN PLANTS, SEEDS OR EMBRYOS THAT BEGIN TO DEVELOP BEFORE THEY DETACH FROM THE PARENT
Viviparous; Viviparity, nonmammalian; Live young; Live bearing; Viviparousness; Viviparously; Viviparism; Larviparous; Viviperous; Histotrophic viviparity; Hemotrophic viviparity; Hemotrophy; Live-bearing; Evolution of viviparity
![An [[aphid]] giving viviparous birth, an unusual mode of reproduction among insects](https://commons.wikimedia.org/wiki/Special:FilePath/Aphid-giving-birth.jpg?width=200 "An [[aphid]] giving viviparous birth, an unusual mode of reproduction among insects")
![Hemotrophic viviparity: a mammal embryo (centre) attached by its [[umbilical cord]] to a [[placenta]] (top) which provides food](https://commons.wikimedia.org/wiki/Special:FilePath/Elements of the comparative anatomy of vertebrates (1886) (21057027940).jpg?width=200 "Hemotrophic viviparity: a mammal embryo (centre) attached by its [[umbilical cord]] to a [[placenta]] (top) which provides food")
viviparous
[v?'v?p(?)r?s, v??-]
¦ adjective Zoology
1. (of an animal) bringing forth live young which have developed inside the body of the parent. Compare with oviparous and ovoviviparous.
2. Botany (of a plant) reproducing from buds which form plantlets while still attached to the parent plant, or from seeds which germinate within the fruit.
Derivatives
viviparity ?v?v?'par?ti noun
viviparously adverb
Origin
C17: from L. viviparus (from vivus 'alive' + -parus 'bearing') + -ous.
Viviparous
·adj Producing young in a living state, as most mammals, or as those plants the offspring of which are produced alive, either by bulbs instead of seeds, or by the seeds themselves germinating on the plant, instead of falling, as they usually do;
- opposed to oviparous.
Viviparousness
·noun The quality of being viviparous; viviparity.
Wikipedia
Viviparity
Among animals, viviparity is development of the embryo inside the body of the mother. This is opposed to oviparity which is a reproductive mode in which females lay developing eggs that complete their development and hatch externally from the mother.
The term 'viviparity' and its adjective form 'viviparous' derive from the Latin vivus meaning "living" and pario meaning "give birth to".
