Meaning of GERM LAYER
| Pronunciation: | | jurm 'leyur
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 WordNet Dictionary |
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| | Definition: | | [n] (embryology) any of the 3 layers of cells differentiated in embryos following gastrulation |
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| | See Also: | | ectoblast, ectoderm, embryonic tissue, endoblast, endoderm, entoblast, entoderm, exoderm, hypoblast, mesoblast, mesoderm | |
| Biology Dictionary |
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| | Definition: | | A layer of cells produced during the process of gastrulation during the early development of the animal embryo, which is distinct from other such layers of cells, as an early step of cell differentiation. The three types of germ layers are the endoderm, ectoderm, and mesoderm. |
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