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Viviparity

viviparity

A Dictionary of Biology | 2004 | Copyright

viviparity
1. (in zoology) A form of reproduction in animals in which the developing embryo obtains its nourishment directly from the mother via a placenta or by other means. Viviparity occurs in some insects and other arthropods, in certain fishes, amphibians, and reptiles, and in the majority of mammals. Compare oviparity; ovoviviparity.

2. (in botany)
a. A form of asexual reproduction in certain plants, such as the onion, in which the flower develops into a budlike structure that forms a new plant when detached from the parent.

b. The development of young plants on the inflorescence of the parent plant, as seen in certain grasses and the spider plant.
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viviparous

The Oxford Pocket Dictionary of Current English | 2009 | Copyright

vi·vip·a·rous / vīˈvip(ə)rəs; vi-/ • adj. Zool. (of an animal) bringing forth live young that have developed inside the body of the parent. Compare with oviparous and ovoviviparous. ∎  Bot. (of a plant) reproducing from buds that form plantlets while still attached to the parent plant, or from seeds that germinate within the fruit. DERIVATIVES: viv·i·par·i·ty / ˌvivəˈparitē; ˌvīvə-/ n.vi·vip·a·rous·ly adv.
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viviparity

World Encyclopedia | 2005 | Copyright

viviparity (vivipary) Process or trait among animals of giving birth to live young. Placental mammals show the highest development of viviparity, in which the offspring develops inside the body, within the mother's uterus.
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viviparous

A Dictionary of Plant Sciences | 1998 | | Copyright

viviparous Applied to:
a. a plant (e.g. mangroves) whose seeds germinate within and obtain nourishment from the fruit; or

b. a plant (e.g. some grasses) that reproduces vegetatively from shoots rather than an inflorescence.
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MICHAEL ALLABY. "viviparous." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

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viviparous

The Concise Oxford Dictionary of English Etymology | 1996 | | Copyright

viviparous bringing forth young in a live state. XVII. f. L. vīviparus, f. vīvus alive + -parus bring forth; see -OUS.
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T. F. HOAD. "viviparous." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

T. F. HOAD. "viviparous." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O27-viviparous.html

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viviparous

Oxford Dictionary of Rhymes | 2007 | Copyright

viviparous •Arras, embarrass, harass •gynandrous, polyandrous •Pancras • charas • Tatras • disastrous •ferrous • leprous • ambidextrous •Carreras, mayoress •scabrous •cirrus, Pyrrhus •chivalrous •citrous, citrus •ludicrous • tenebrous •Cyrus, Epirus, papyrus, virus •fibrous • hydrous • Cyprus •retrovirus • monstrous •brachiosaurus, brontosaurus, canorous, chorus, Epidaurus, Horus, megalosaurus, pelorus, porous, sorus, stegosaurus, Taurus, thesaurus, torus, tyrannosaurus •walrus •ochrous (US ocherous) •cumbrous • wondrous • lustrous •Algeciras, Severus •desirous •Arcturus, Epicurus, Honduras •barbarous • tuberous • slumberous •Cerberus • rapturous •lecherous, treacherous •torturous • vulturous • Pandarus •slanderous • ponderous •malodorous, odorous •thunderous • murderous •carboniferous, coniferous, cruciferous, melliferous, odoriferous, pestiferous, somniferous, splendiferous, umbelliferous, vociferous •phosphorous, phosphorus •sulphurous (US sulfurous) •Anaxagoras, Pythagoras •clangorous, languorous •rigorous, vigorous •dangerous • verdurous •cankerous, cantankerous, rancorous •decorous • Icarus • valorous •dolorous • idolatrous •amorous, clamorous, glamorous •timorous •humerus, humorous, numerous •murmurous • generous • sonorous •onerous • obstreperous • Hesperus •vaporous • viviparous • viperous •Bosporus, prosperous •stuporous • cancerous •Monoceros, rhinoceros •sorcerous • adventurous • Tartarus •nectarous • dexterous • traitorous •preposterous • slaughterous •boisterous, roisterous •uterus • adulterous • stertorous •cadaverous • feverous •carnivorous, herbivorous, insectivorous, omnivorous •Lazarus

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