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DeCS
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Descriptor English:
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Cleavage Stage, Ovum
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Descriptor Spanish:
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Fase de Segmentación del Huevo
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Descriptor Portuguese:
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Fase de Clivagem do Zigoto
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Synonyms English:
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Segmentation Stage, Ovum
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Tree Number:
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A16.166
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Definition English:
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The earliest developmental stage of a fertilized ovum (ZYGOTE) during which there are several mitotic divisions within the ZONA PELLUCIDA. Each cleavage or segmentation yields two BLASTOMERES of about half size of the parent cell. This cleavage stage generally covers the period up to 16-cell MORULA. |
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See Related English:
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Cell Division
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History Note English:
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80
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Allowable Qualifiers English:
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Record Number:
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2995
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Unique Identifier:
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D002970
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Occurrence in VHL:
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Similar:
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DeCS SciELO LILACS LIS
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