Source:http://linkedlifedata.com/resource/umls/id/C0013574
MSH: The outer of the three germ layers of an embryo.,CSP: outermost of the three germ layers of the embryo (the other two being mesoderm and endoderm); ectoderm gives rise to epidermis and neural tissue.,NCI: The outer of the three germ layers of the embryo; it gives rise to epidermis and neural tissue.