Revision as of 18:33, 4 March 2011 by Bio man(Talk | contribs)(Created page with "A layer of cells formed during gastrulation that develops between the ectoderm and endoderm; gives rise to skeleton, muscles and much of the circulatory system.")
A layer of cells formed during gastrulation that develops between the ectoderm and endoderm; gives rise to skeleton, muscles and much of the circulatory system.
