Middle embryonic germ layer, lying between the ectoderm and the endoderm, from which connective tissue, muscle, bone, and the urogenital and circulatory systems develop.

This is just here as a test because I lose it

Term information

comment

"The middle layer of cells in the early embryo"

creation date

2013-10-03T23:21:30Z

term editor

HeZhang

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