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Cleavage Stage, Ovum

"Cleavage Stage, Ovum" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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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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This graph shows the total number of publications written about "Cleavage Stage, Ovum" by people in this website by year, and whether "Cleavage Stage, Ovum" was a major or minor topic of these publications.
Bar chart showing 11 publications over 11 distinct years, with a maximum of 1 publications in 1990 and 1993 and 1995 and 2001 and 2003 and 2004 and 2008 and 2010 and 2011 and 2015 and 2018
To see the data from this visualization as text, click here.