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Ectoderm
MeSH Descriptor Data 2025
Details
Qualifiers
MeSH Tree Structures
Concepts
MeSH Heading
Ectoderm
Tree Number(s)
A16.504.273
Unique ID
D004475
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D004475
Scope Note
The outer of the three germ layers of an embryo.
Entry Term(s)
Apical Ectodermal Ridge
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2023/05/31
Allowable Qualifiers
abnormalities (AB)
anatomy & histology (AH)
blood supply (BS)
chemistry (CH)
cytology (CY)
diagnostic imaging (DG)
drug effects (DE)
embryology (EM)
enzymology (EN)
growth & development (GD)
immunology (IM)
injuries (IN)
innervation (IR)
metabolism (ME)
microbiology (MI)
parasitology (PS)
pathology (PA)
physiology (PH)
physiopathology (PP)
radiation effects (RE)
surgery (SU)
transplantation (TR)
ultrastructure (UL)
virology (VI)
Embryonic Structures [A16]
Germ Layers [A16.504]
Ectoderm [A16.504.273]
Endoderm [A16.504.407]
Mesoderm [A16.504.660]
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Ectoderm
Preferred
Concept UI
M0007031
Scope Note
The outer of the three germ layers of an embryo.
Terms
Ectoderm
Preferred Term
Term UI
T013661
Date
01/01/1999
LexicalTag
NON
ThesaurusID
NLM (1966)
Apical Ectodermal Ridge
Related
Concept UI
M000764634
Terms
Apical Ectodermal Ridge
Preferred Term
Term UI
T001136696
Date
04/23/2023
LexicalTag
NON
ThesaurusID
NLM (2024)
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