The male and female pronucleus fused finally.Most hybrids could develop normally.
熟的雌雄原核形
后完
融合过程,形
合子核,
精过程结束。
The male and female pronucleus fused finally.Most hybrids could develop normally.
熟的雌雄原核形
后完
融合过程,形
合子核,
精过程结束。
Syngamy - The fusion of egg and sperm cells into a zygote.
Syngamy -融合卵和精子细

精卵。
Sporopore The aerial spore-producing body of certain fungi, e.g. the mushroom of Agaricus.
苔藓和地钱的孢子体世代具有。由
精卵发育而来,包括基足、柄和孢蒴。孢子体
寄生在配子体上的。
Fertilization is external, producing free-living planula larva.
体外
精,能产生自由活动的浮浪幼虫。
In human reproduction,one female egg is usually fertilized by one sperm.
在人体生殖过程
,一个精子使一个卵子
精。
Homogamy occurs in the closed cleistogamous flowers that appear late in the season in certain plants.
该现象一般出现在具有闭花
精花的一些特定的植物
。
DIESTRUS in the unspayed female dog. The period of sexual inactivity after the female is receptive.
未绝育雌狗的间情期.雌狗易
精后的性不活跃期.
Only one sperm fertilises an egg.
只有一个精子使卵子
精。
Identical twins are also called monozygote twins because they develop from the splitting of a single fertilized egg.


从同一个
精卵分裂而来,同卵双
胎也被称作单卵双
胎。
Allogamy Cross-fertilization in plants.
植物
的异体
精。
This oosperm is you.
这颗
精卵就
你。
Bees fertilize flowers.
蜜蜂使花
精。
Autogamy:Self-fertilization in plants.
植物的自身
精。
A paraffin method and a whole ovary stain clearing techique were used to study pseudogamy in Kentucky Bluegrass (Poa pratenesis L.).
本文运用石蜡切片法、整体透明法研究了草地早熟禾的假
精现象。
Most seed orchard theory is based on the assumption that panmixis will occur and that selfing will not be a serious problem.
大多数关于种子园理论,
以假定能发生随机交配和自花
精而不会
严重问题
依据的。
Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.
传统上,医生们用孕龄,
精到出生的周数来决定极早产儿
否接
进一步的关注。
Abstract: Aim:To establish the methods of microfertilization and explore the fertilizing potential of mouse sperm obtained from caput epididymidis and cauda epididymidis.
摘 要: 目的:建立显微
精的方法,并探讨小鼠附睾精子在显微注射进入卵母细
后的
精能力。
Objective To investigate the relationship between the first polar body morphology of oocyte and the zygote morphology in pronucleus stage, embryo quality in cleavage stage.
目的探讨卵细
第一极体形态与原核期
精卵形态、卵裂期胚胎质量的关系。
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