Sentences with phrase «neural tissue known»

Not exact matches

«The embryos lack all [cell types known as] mesoderm and endoderm and are left with skin and some neural tissue, [which derive from the third major cell type, the ectoderm].»

In 1992, for instance, the Center for Food Safety and Applied Nutrition, an office of the U.S. Food and Drug Administration, sent a letter to all manufacturers of dietary supplements asking them to «investigate the source of your neural and glandular tissues or tissue extracts of bovine or ovine species to determine if they are being produced in known BSE countries.»

Although researchers knew that hyaluronic acid shows up in neural tissue, they did not know it played such a critical role in human brain development.