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Germ Layers MeSH Descriptor Data 2025


MeSH Heading
Germ Layers
Tree Number(s)
A16.504
Unique ID
D005855
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D005855
Scope Note
The three primary germinal layers (ECTODERM; ENDODERM; and MESODERM) developed during GASTRULATION that provide tissues and body plan of a mature organism. They derive from two early layers, hypoblast and epiblast.
Entry Term(s)
Epiblast
Hypoblast
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2007/07/09
Germ Layers Preferred
Epiblast Related
Hypoblast Related
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