胎zhòngyīngguànyònglìgōu:
| - lì rú: niú de pēi tāi zài fā yù chéng 8 gè xì bāo de jiē duàn shí dna cái chū xiàn zhuǎn huàn。
In cows, for example, the DNA switch-on occurs when the embryo reaches the eight-cell stage.- hé zǐ jīng zǐ yǔ luǎn zǐ jié hé chéng de wù tǐ; pēi tāi huò hé zǐ
The entity formed by the union of the male sperm and the female ovum; an embryo or a zygote.- ( zhí wù xué) méi yòu shòu jīng guò chéng de pēi tāi xíng chéng guò chéng;( yóu qí zài mǒu xiē jué lèi zhí wù zhōng) bù jīng guò shòu jīng 'ér yóu pèi 'ǒu tǐ xíng chéng bāo zǐ tǐ de guò chéng。
(botany) development of an embryo without fertilization; (especially in some ferns) development of a sporophyte from the gametophyte without fertilization.- liú de mù de shì yán cháng pēi tāi fàng huí zǐ gōng qián zài shí yàn shì de shēngzhǎng shí jiān。
In this way Liu is extending the time an embryo can exist in a laboratory before being placed in a woman's body;- zhí wù bǐ jiào pēi tāi xué
compartive embryology of plant - jiā chù pēi tāi xué
embryology of domestic animal - ( pēi tāi xué) shòu jīng luǎn de chóngfù fēn liè。
(embryology) the repeated division of a fertilised ovum. - pēi tāi hòu qī de zài pēi tāi fā yù qī zhī hòu de
Following the embryonic stage of development.- pēi tāi yù dìng mìng yùn tú
embryonic presumptive fate map - chéng shén jīng xì bāo fā yù chéng shén jīng xì bāo de pēi tāi xì bāo
An embryonic cell from which a nerve cell develops.- fā shēng xué yī zhǒng tè dìng yòu jī tǐ de pēi tāi de jié gòu huò fā zhǎn
The embryonic structure or development of a particular organism.- wèi xì mó yǔ zǎo qī wèi bù xiāng lián jiē de pēi tāi gé mó de yī bù fēn
The portion of the embryonic mesentery that is attached to the early stomach.- mò nǎo pēi tāi qī hòu nǎo de hòu bù, yán suǐ zài cǐ fā yù
The posterior portion of the embryonic hindbrain, from which the medulla oblongata develops.- dān luǎn de yóu yī gè shòu jīng luǎn huò pēi tāi xì bāo qún 'ér pài shēng lái de。 yóu zhǐ yòng yú tóng luǎn shuāng
Derived from a single fertilized ovum or embryonic cell mass. Used especially of identical twins.- shǔ yú huò guān yú sāi( huò tóng yuán pēi tāi jié gòu yǎn shēng wù)。
of or relating to gills (or to parts of the body derived from embryonic gills).- yuán jī, yá jī, pēi jī cháng chū bù wèi huò qì guān de pēi tāi xì bāo qún; yuán jī
The initial clustering of embryonic cells from which a part or an organ develops; primordium.- fēn liè qiú zài zǎo qī pēi tāi fā yù shí shòu jīng luǎn fēn liè chǎn shēng de rèn hé xì bāo
Any of the cells resulting from the cleavage of a fertilized ovum during early embryonic development.- zhōng nǎo jǐ chuí nǎo de yī bù fēn, yóu pēi tāi nǎo de zhōng jiān bù fēn fā yù 'ér chéng
The portion of the vertebrate brain that develops from the middle section of the embryonic brain.- kāi huā zhí wù zhōng zhǒng zǐ yòu liǎng gè zǐ yè( pēi tāi yè) xiǎn xiàn zài méng yá shí qī de yī kē。
family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination.- chóngyǎn( xìng) fā shēng; chóngyǎn( xìng) biàn tài dān gè de yòu jī tǐ zài wù zhǒng de fā zhǎn guò chéng zhōng zài pēi tāi fā zhǎn zhōng suǒ jīng lì de bù tóng jiē duàn de chóngfù yǎn biàn
The repetition by a single organism of various stages in the evolution of its species during embryonic development.- sāng shèn pēi xíng chéng yú náng pēi zhī qián qiě chǔyú pēi tāi qī nèi de qiú xíng liè qiú qún, yóu shòu jīng luǎn xì bāo de fēn liè 'ér chéng
The spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum.- chóngyǎn zài gè tǐ yòu jī tǐ pēi tāi péi yù fā zhǎn zhōng chóngxiàn( wù zhǒng jìn huà de guò chéng)
To appear to repeat(the evolutionary stages of the species) during the embryonic development of the individual organism.- fū huà zuò zài( dàn) shàng yǐ tí gōng rè liàng, cù jìn pēi tāi de shēng cháng hé fū huà chū xiǎo shēng mìng; fū luǎn
To sit on(eggs) to provide heat, so as to promote embryonic development and the hatching of young; brood.- zài pēi tāi fā yù guò chéng zhōng chū xiàn de shēng wù wù zhǒng zài jìn huà lì shǐ shàng céng biǎo xiàn chū lái de gè zhǒng tè zhēng huò jié gòu。
emergence during embryonic development of various characters or structures that appeared during the evolutionary history of the strain or species. - kē xué jiā men céng rèn wéi, yí zhí de dna méi yòu zú gòu de shí jiān “ zhòng biān chéng xù ”, shǐ zì jǐ huí dào wú tè dìng gōng néng zhuàng tài de pēi tāi jiē duàn。
Scientists had thought the implanted DNA would not have enough time to "reprogram" itself back to the embryonic, unspecialized state.- wèi biàn yì gòu shēn tǐ bèi fēn chéng yī xì liè xiāng tóng tǐ jié de zhuàng kuàng, zài dà duō shù dòng wù zhōng jǐn cún yú pēi tāi fā yù de zǎo qī jiē duàn
The condition of having the body divided into metameres, exhibited in most animals only in the early embryonic stages of development.- náng pēi yóu fēn liè shòu jīng luǎn chǎn shēng de zǎo qī pēi tāi wài xíng, yóu wéi rào chōng mǎn yè tǐ de dòng de qiú xíng xì bāo céng zǔ chéng
An early embryonic form produced by cleavage of a fertilized ovum and consisting of a spherical layer of cells surrounding a fluid-filled cavity.- kē xué jiā hái rèn wéi, kè lóng jì shù bù jǐn kě yòng yú péi yù dòng wù, ér qiě yòu zhù yú péi yù kě yòng yú zhì liáo jí bìng de pēi tāi gān xì bāo。
Scientists also say cloning technology may be useful not to make animals,but to make embryonic stem cells that could be used to treat diseases.- ròu tǐ xì bāo hé xīn yí zhí jì shù shēng chǎn de shì kè lóng rén de pēi tāi 。
What somatic-cell nuclear transfer technology produces are cloned human embryos.- yǔ pēi tāi xiāng bǐ, yán jiū zhě néng dà guī mó huò dé hé péi yǎng chéng tǐ xì bāo。
Researchers can harvest and grow adult cells in large amounts compared to embryos.- jǐ suǒ gèng wéi gāo děng de jǐ chuí dòng wù pēi tāi zhōng de lèi sì jié gòu, jǐ chuí gǔ yóu cǐ fā yù
A similar structure in embryos of higher vertebrates, from which the spinal column develops.- pēi tāi chéng gōng dì fùzhuó zài zhè xiē zǐ gōng de gōng bì shàng , bìng kāi shǐ shēngzhǎng。
Embryos successfully attached themselves to the walls of these laboratory wombs and began to grow.
|
|
|