The skin consists of two quite different layers: (1) the epidermis, a superficiallayer of stratified epithelium that develops from ectoderm, and (2) the dermis, or corium, an underlying layer of connective tissue that is largely mesodermal in origin. The dermis makes up the bulk of the skin.
Answer by Aadelman. Confidence votes 169. No. A D&B D-U-N-SÂ® Number is a unique, 9-digit business identification number issued by Dun & Bradstreet, while a federal tax id number or EIN is a separate business identification number issued by the IRS.
Is a duns number the same as a federal tax id number? No. A D&B D-U-N-SÂ® Number is a unique, 9-digit business  identification number issued by Dun & Bradstreet, while a  federal tax id number or EIN is a separate business idenâ¦tification  number issued by the IRS.