parthenogenesis

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Related to parthenogenetically: automixis

par·the·no·gen·e·sis

 (pär′thə-nō-jĕn′ĭ-sĭs)
n.
1. A form of reproduction in which an unfertilized egg develops into a new individual, occurring commonly among insects and certain other arthropods.
2. The artificial activation of an unfertilized usually mammalian egg, resulting in an embryolike cell cluster from which stem cells can be harvested.

[New Latin : Greek parthenos, virgin + genesis.]

par′the·no·ge·net′ic (-jə-nĕt′ĭk), par′the·no·gen′ic (-jĕn′ĭk) adj.
par′the·no·ge·net′i·cal·ly adv.

parthenogenesis

(ˌpɑːθɪnəʊˈdʒɛnɪsɪs)
n
1. (Biology) a type of reproduction, occurring in some insects and flowers, in which the unfertilized ovum develops directly into a new individual
2. (Theology) human conception without fertilization by a male; virgin birth
[C19: from Greek parthenos virgin + genesis birth]
parthenogenetic adj
ˌpartheˌnogeˈnetically adv

par•the•no•gen•e•sis

(ˌpær θə noʊˈdʒɛn ə sɪs)

n.
development of an egg without fertilization.
[1840–50]
par`the•no•ge•net′ic (-dʒəˈnɛt ɪk) adj.
par`the•no•ge•net′i•cal•ly, adv.

par·the·no·gen·e·sis

(pär′thə-nō-jĕn′ĭ-sĭs)
Reproduction in which an egg develops without fertilization, as in certain insects such as aphids.

parthenogenetic (pär′thə-nō-jə-nĕt′ĭk) adjective

parthenogenesis

Biology. the development of an egg or seed without fertilization. Also called unigenesis. — parthenogenetic, adj.
See also: Life
reproduction without fertilization, as certain ova, seeds and spores, insects, algae, etc. Also called unigenesis. — parthenogenetic, parthenogenic, adj.
See also: Biology

parthenogenesis

The production of young from unfertilized eggs.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.parthenogenesis - human conception without fertilization by a manparthenogenesis - human conception without fertilization by a man
agamogenesis, asexual reproduction - reproduction without the fusion of gametes
2.parthenogenesis - process in which an unfertilized egg develops into a new individual; common among insects and some other arthropods
androgenesis, androgeny - male parthenogenesis in which the embryo contains only paternal chromosomes due to the failure of the egg nucleus to participate in fertilization
apomixis - any of several kinds of reproduction without fertilization
gynogenesis - female parthenogenesis in which the embryo contains only maternal chromosomes due to the failure of the sperm to fuse with the egg nucleus
Translations

parthenogenesis

[ˈpɑːθɪnəʊˈdʒenɪsɪs] Npartenogénesis f inv

parthenogenesis

nParthenogenese f, → Jungfernzeugung f

par·the·no·gen·e·sis

n. partenogénesis, reproducción en la cual el óvulo se desarrolla sin ser fecundado por un espermatozoo;
artificial ______ artificial.
References in periodicals archive ?
There are many species of insects, lizards, fish, and amphibians, for instance, that reproduce parthenogenetically, that is without males.
On the primary host the aphids gave birth parthenogenetically to three generations of fundatrigenous.
Reproduction can occur sexually, parthenogenetically, or by facultative parthenogenesis (Borges da Silva et al.
24) who suggested "dispermic fertilization of a parthenogenetically activated oocyte, that is, fertilization by two spermatozoa of two identical haploid ova".
These differences might also exist in parasitoid species of the genus Trichogramma, which reproduce parthenogenetically, an issue that requires further research.
To test the effects of ZFNs on gametocytes, we examined ZFN-induced mutation in parthenogenetically activated embryos.
It has been known for over a century that parthenogenetically activated eggs of marine invertebrates are capable of varying degrees of cleavage and developmental progression (Loeb, 1899; Wilson, 1925; Brandriff et al.
It then copulates with the opposite sex and starts searching for fresh Lepidopteron eggs for further egg-laying, Trichogramma also reproduces parthenogenetically it is induced by bacteria (wobachia), in the absence of these bacteria the wasp reproduce sexually (Stouthamer and Kamer, 1994).
After three moultings they grow entirely into female adults, which reproduce parthenogenetically (not all species) and deposit their eggs in gelatinous egg sacs (Hussey and Grundler, 1998; Williamson and Gleason, 2003).
12) Some of these traditions include the ideas that hyenas are hermaphrodites, they change sex from year to year, and they reproduce parthenogenetically.
As a result of Raglan's questionable methods, his patients' emotions become somatized symptoms: whether welts, glistening pustules, or, in Nola's case, the titular squad of undersize assassins, who bud parthenogenetically from her abdomen and later try to bump off her daughter.