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Germ Layers

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Definition: 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.     
Examples Ectoderm; Endoderm; Mesoderm 		Other names Layers, Germ; Layer, Germ; Hypoblasts; Germ Layer; Epiblasts; Hypoblast; Epiblast

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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