zhòngyīngguànyònglìgōu:
  • niú de pēi tāi zài chéng 8 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.
  • jīng luǎn jié chéng de pēi tāi huò
    The entity formed by the union of the male sperm and the female ovum; an embryo or a zygote.
  • zhí xuéméi yòu shòu jīng guò chéng de pēi tāi xíng chéng guò chéng;( yóu zài mǒu xiē jué lèi zhí zhōng jīng guò shòu jīng 'ér yóu pèi 'ǒu xíng chéng bāo 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 de shì yán cháng pēi tāi fàng huí 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 jiào pēi tāi xué
    compartive embryology of plant
  • jiā chù pēi tāi xué
    embryology of domestic animal
  • pēi tāi xuéshòu jīng luǎn de chóngfù fēn liè
    (embryology) the repeated division of a fertilised ovum.
  • pēi tāi hòu de zài pēi tāi zhī hòu de
    Following the embryonic stage of development.
  • pēi tāi dìng mìng yùn
    embryonic presumptive fate map
  • chéng shén jīng bāo chéng shén jīng bāo de pēi tāi bāo
    An embryonic cell from which a nerve cell develops.
  • shēng xué zhǒng dìng yòu de pēi tāi de jié gòu huò zhǎn
    The embryonic structure or development of a particular organism.
  • wèi zǎo wèi xiāng lián jiē de pēi tāi de fēn
    The portion of the embryonic mesentery that is attached to the early stomach.
  • nǎo pēi tāi hòu nǎo de hòu yán suǐ zài
    The posterior portion of the embryonic hindbrain, from which the medulla oblongata develops.
  • dān luǎn de yóu shòu jīng luǎn huò pēi tāi bāo qún 'ér pài shēng lái deyóu zhǐ yòng tóng luǎn shuāng
    Derived from a single fertilized ovum or embryonic cell mass. Used especially of identical twins.
  • shǔ huò guān sāihuò tóng yuán pēi tāi jié gòu yǎn shēng )。
    of or relating to gills (or to parts of the body derived from embryonic gills).
  • yuán pēi cháng chū wèi huò guān de pēi tāi bāo qúnyuán
    The initial clustering of embryonic cells from which a part or an organ develops; primordium.
  • fēn liè qiú zài zǎo pēi tāi shí shòu jīng luǎn fēn liè chǎn shēng de rèn bāo
    Any of the cells resulting from the cleavage of a fertilized ovum during early embryonic development.
  • zhōng nǎo chuí nǎo de fēnyóu pēi tāi nǎo de zhōng jiān fēn 'ér chéng
    The portion of the vertebrate brain that develops from the middle section of the embryonic brain.
  • kāi huā zhí zhōng zhǒng yòu liǎng pēi tāi xiǎn xiàn zài méng shí de
    family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination.
  • chóngyǎnxìng shēngchóngyǎnxìngbiàn tài dān de yòu zài zhǒng de zhǎn guò chéng zhōng zài pēi tāi zhǎn zhōng suǒ jīng de 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 náng pēi zhī qián qiě chǔyú pēi tāi nèi de qiú xíng liè qiú qúnyóu shòu jīng luǎn 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 yòu pēi tāi péi zhǎn zhōng chóngxiàn zhǒng jìn huà de guò chéng
    To appear to repeat(the evolutionary stages of the species) during the embryonic development of the individual organism.
  • huà zuò zàidànshàng gōng liàng jìn pēi tāi de shēng cháng huà chū xiǎo shēng mìng luǎn
    To sit on(eggs) to provide heat, so as to promote embryonic development and the hatching of young; brood.
  • zài pēi tāi guò chéng zhōng chū xiàn de shēng zhǒng zài jìn huà shǐ shàng céng biǎo xiàn chū lái de zhǒng zhēng huò jié gòu
    emergence during embryonic development of various characters or structures that appeared during the evolutionary history of the strain or species.
  • xué jiā men céng rèn wéi zhí de dna méi yòu gòu de shí jiān zhòng biān chéng shǐ huí dào 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 gòu shēn bèi fēn chéng liè xiāng tóng jié de zhuàng kuàngzài duō shù dòng zhōng jǐn cún pēi tāi de zǎo 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 pēi tāi wài xíngyóu wéi rào chōng mǎn de dòng de qiú xíng bāo céng 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.
  • xué jiā hái rèn wéi lóng shù jǐn yòng péi dòng ér qiě yòu zhù péi yòng zhì liáo bìng de pēi tāi gān 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 bāo xīn zhí shù shēng chǎn de shì lóng rén de pēi tāi
    What somatic-cell nuclear transfer technology produces are cloned human embryos.
  • pēi tāi xiāng yán jiū zhě néng guī huò péi yǎng chéng bāo
    Researchers can harvest and grow adult cells in large amounts compared to embryos.
  • suǒ gèng wéi gāo děng de chuí dòng pēi tāi zhōng de lèi jié gòu chuí yóu
    A similar structure in embryos of higher vertebrates, from which the spinal column develops.
  • pēi tāi chéng gōng fùzhuó zài zhè xiē gōng de gōng shàng , bìng kāi shǐ shēngzhǎng
    Embryos successfully attached themselves to the walls of these laboratory wombs and began to grow.