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词汇 morula
释义

Definition of morula in English:

morula

nounPlural morulae ˈmɔːr(j)ʊləˈmôrələ
Embryology
  • A solid ball of cells resulting from division of a fertilized ovum, and from which a blastula is formed.

    〔胚〕桑椹胚

    Example sentencesExamples
    • Would an all-wise, all-knowing creator endow a morula of some twenty-four to ninety-six cells with a soul before it gets safely implanted in a loving mother's womb?
    • That means that parents who are doing IVF could conceivably agree to have a cell removed from their morula, which could then give rise to a line of stem cells, while the morula developed into an embryo ready for implanting.
    • Mammalian ova lack any overt asymmetries, and their early cleavages are simple and equal, producing a clump of cells called a morula with no discernible up, down, left, right, back, or front.
    • A human embryo is any whole, living member of the species homo sapiens in the embryonic stage, which includes the stages of zygote, morula, and blastocyst.
    • The cells of the morula continue to divide by mitosis, and the morula passes down into the uterus.

Origin

Mid 19th century: modern Latin, diminutive of Latin morum 'mulberry'.

Definition of morula in US English:

morula

nounˈmôrələ
Embryology
  • A solid ball of cells resulting from division of a fertilized ovum, and from which a blastula is formed.

    〔胚〕桑椹胚

    Example sentencesExamples
    • Mammalian ova lack any overt asymmetries, and their early cleavages are simple and equal, producing a clump of cells called a morula with no discernible up, down, left, right, back, or front.
    • That means that parents who are doing IVF could conceivably agree to have a cell removed from their morula, which could then give rise to a line of stem cells, while the morula developed into an embryo ready for implanting.
    • The cells of the morula continue to divide by mitosis, and the morula passes down into the uterus.
    • Would an all-wise, all-knowing creator endow a morula of some twenty-four to ninety-six cells with a soul before it gets safely implanted in a loving mother's womb?
    • A human embryo is any whole, living member of the species homo sapiens in the embryonic stage, which includes the stages of zygote, morula, and blastocyst.

Origin

Mid 19th century: modern Latin, diminutive of Latin morum ‘mulberry’.

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