parthenogenesis


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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 ?
First, we will use the model brown alga Ectocarpus to reveal the fundamental genetic mechanisms by which sex chromosomes control reproductive and life cycle traits of broad importance to all eukaryotes, including sex determination and asexual reproduction through parthenogenesis but also the control of gamete size and the regulation of developmental switches during the life cycle.
The longevity of adult females reproducing by parthenogenesis was significantly longer on snap bean than on the other tested leguminous crops, and averaged longer for those reproducing sexually.
Mr O'Shea said: "What had occurred is known to scientists as parthenogenesis - literally Greek for 'virgin birth.
into, the water thick with primordial cells, parthenogenesis producing
Parthenogenesis is a form of asexual reproduction, during which unfertilized eggs begin to develop as if they had been fertilized.
For the scientifically inclined, the process is called parthenogenesis.
Lifeline Skin Care(TM) is a wholly owned subsidiary of the International Stem Cell Corporation (OTCBB: ISCO), a publicly traded biotechnology company that has developed a powerful, ethical stem cell technology called parthenogenesis.
This facultative parthenogenesis (spontaneous development of zygotes from unfertilized eggs) is known from 10 orders of insects (Simon et al.
This phenomenon is known as parthenogenesis and has never been known in this species before.
In addition, NIH does not plan to fund research on embryos created specifically for research or on stem cells derived by research-cloning techniques or by parthenogenesis (a method that uses unfertilized egg cells).
Topics such as stem cell research, genetic diseases, cloning, genetically modified organisms, parthenogenesis, and chimeras are included, as are ethical problems and reviews of basic and cell biology.
NIH is also prohibiting funding for research on stem cells derived through somatic cell nuclear transfer or parthenogenesis, or from embryos created solely for research purposes through IVF.