parthenogenesis
n . 单性生殖,孤雌生殖
单性生殖,孤雌生殖
parthenogenesis n 1 :
human conception without fertilization by a man [
synonym :
{
parthenogenesis }, {
parthenogeny }, {
virgin birth }]
2 :
process in which an unfertilized egg develops into a new individual ;
common among insects and some other arthropods [
synonym : {
parthenogenesis }, {
parthenogeny }]
parthenogenesis \
par `
the *
no *
gen "
e *
sis \
(
p [
aum ]
r `
th [-
e ]*
n [-
o ]*
j [
e ^]
n "[-
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s [
i ^]
s ),
n . [
Gr .
parqe `
nos a virgin E .
genesis .]
1 . (
Biol .)
The production of new individuals from virgin females by means of ova which have the power of developing without the intervention of the male element ;
the production ,
without fertilization ,
of cells capable of germination .
It is one of the phenomena of alternate generation .
Cf . {
Heterogamy },
and {
Metagenesis }.
[
1913 Webster ]
2 . (
Bot .)
The production of seed without fertilization ,
believed to occur through the nonsexual formation of an embryo extraneous to the embryonic vesicle .
[
1913 Webster ]
22 Moby Thesaurus words for "
parthenogenesis ":
abiogenesis ,
archigenesis ,
biogenesis ,
birth ,
blastogenesis ,
development ,
digenesis ,
epigenesis ,
eumerogenesis ,
generation ,
genesis ,
heterogenesis ,
histogenesis ,
homogenesis ,
isogenesis ,
merogenesis ,
metagenesis ,
monogenesis ,
orthogenesis ,
pangenesis ,
procreation ,
spontaneous generation
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