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Descriptor English: Germ Layers
Descriptor Spanish: Estratos Germinativos
Descriptor Portuguese: Camadas Germinativas
Descriptor French: Feuillets embryonnaires
Entry term(s): Epiblast
Epiblasts
Germ Layer
Hypoblast
Hypoblasts
Layer, Germ
Layers, Germ
Tree number(s): A16.504
RDF Unique Identifier: https://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.
Allowable Qualifiers: AB abnormalities
AH anatomy & histology
BS blood supply
CH chemistry
CY cytology
DE drug effects
DG diagnostic imaging
EM embryology
EN enzymology
GD growth & development
IM immunology
IN injuries
IR innervation
ME metabolism
MI microbiology
PA pathology
PH physiology
PP physiopathology
PS parasitology
RE radiation effects
SU surgery
TR transplantation
UL ultrastructure
VI virology
DeCS ID: 5996
Unique ID: D005855
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2007/07/09
Germ Layers - Preferred
Concept UI M0009201
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.
Preferred term Germ Layers
Entry term(s) Germ Layer
Layer, Germ
Layers, Germ
Hypoblast - Related but not broader or narrower
Concept UI M0503183
Scope note The inner germ layer of a BLASTOCYST or BLASTULA, precursor of endoderm.
Preferred term Hypoblast
Entry term(s) Hypoblasts
Epiblast - Related but not broader or narrower
Concept UI M0503182
Scope note The outer germ layer of a BLASTOCYST or BLASTULA, precursor of ectoderm and mesoderm.
Preferred term Epiblast
Entry term(s) Epiblasts



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