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.
No. A D&B D-U-N-SÂ® Number is a 9-digit company identification  number issued by Dun & Bradstreet, and an EIN number is a  company's tax identification number issued by the â¦IRS. Both are  often required on business loan applications and to apply for  government contracting jobs.