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 ?
ISCO's core technology, parthenogenesis, results in the creation of human pluripotent stem cells from unfertilized oocytes (eggs).
Supporting the identification keys and systematic treatment of the genera and species in Europe, are chapters on systematics and classification, morphology of Psychidae, parthenogenesis, and a checklist of European Psychidae.
Unusually, parthenogenesis was actually more common than sexual reproduction for cockroaches, the (http://zoologicalletters.
Well, it's a scientific fact that the human Y chromosome is shrinking and may one day die out, which would mean the end of males, perhaps leaving women to produce femaleonly offspring through parthenogenesis.
The syndrome is vaguely related to parthenogenesis, or the asexual reproduction in some animal forms, observed Dr.
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.
Greenpeace, the court defined a "human embryo" as cell types that are "capable of commencing the process of development of a human being", including in the definition (i) a fertilized human ovum, (ii) a non-fertilized human ovum that has had its nucleus replaced with a nucleus from a mature cell and (iii) a non-fertilized human ovum whose division and further development has been stimulated by parthenogenesis.
Best of all, Daphnia has a unique mode of reproduction, cyclical parthenogenesis, where under favourable conditions reproduces clonally.
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.
Parthenogenesis and bisexuality in the millipede Nemasoma varicorne (Diplopoda: Blaniulidae) Morphological, ecological, and biogeographical aspects.