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Blastomeres MeSH Descriptor Data 2023


MeSH Heading
Blastomeres
Tree Number(s)
A11.872.700.250.130
A16.094
Unique ID
D001757
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D001757
Annotation
do not confuse entry term BLASTOCYTES with BLASTOCYST
Scope Note
Undifferentiated cells resulting from cleavage of a fertilized egg (ZYGOTE). Inside the intact ZONA PELLUCIDA, each cleavage yields two blastomeres of about half size of the parent cell. Up to the 8-cell stage, all of the blastomeres are totipotent. The 16-cell MORULA contains outer cells and inner cells.
Entry Term(s)
Blastocytes
Previous Indexing
Blastocyst (1974-1979)
Cell Division (1966-1979)
Zygote (1975-1979)
Public MeSH Note
80
History Note
80
Date Established
1980/01/01
Date of Entry
1979/04/17
Revision Date
2015/07/07
Blastomeres Preferred
Blastocytes Broader
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