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.
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.
| Descriptor ID |
D002970
|
| MeSH Number(s) |
A16.166
|
| Concept/Terms |
Cleavage Stage, Ovum- Cleavage Stage, Ovum
- Cleavage Stages, Ovum
- Ovum Cleavage Stage
- Ovum Cleavage Stages
- Segmentation Stage, Ovum
- Ovum Segmentation Stage
- Ovum Segmentation Stages
- Segmentation Stages, Ovum
|
Below are MeSH descriptors whose meaning is more general than "Cleavage Stage, Ovum".
Below are MeSH descriptors whose meaning is more specific than "Cleavage Stage, Ovum".
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