mesoderm noun. ['mɛsǝ(ʊ)dǝ:m, 'mɛz-, 'mi:s-, 'mi:z-] L19.
[from MESO- + Greek derma skin.]
Biology. The middle germ layer of the embryo in early development, between endoderm and ectoderm; cells or tissues derived from this.

■ meso'dermal,

■ meso'dermic adjectives of, pertaining to, or derived from the mesoderm L19.

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