Concept information
Preferred term
Cleavage Stage, Ovum
Type
-
Topical Descriptor
Broader concept
Entry terms
- Ovum Segmentation Stage
- Ovum Segmentation Stages
- Segmentation Stage, Ovum
- Segmentation Stages, Ovum
Scope note
- 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.
History note
- 80
In other languages
-
Finnish
-
Swedish
-
Klyvningsfas, ovum
-
Segmentationsfas, ägg
URI
http://www.yso.fi/onto/mesh/D002970
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