Receptor: 1. In cell biology, a structure on the surface of a cell (or inside a cell) that selectively receives and binds a specific substance. There are many receptors.
The most common is EPNS (Electro Plated Nickel Silver) but many other symbols are used: 1  EPBM (Electro Plated Britannia Metal). 2  EPCA (Electro Plated Copper Alloy). 3  ESM (Electro Plated Silver Mounts).he most common is EPNS (Electro Plated Nickel Silver) but many other symbols are used: 1  EPBM (Electro Plated Britannia Metal). 2  EPCA (Electro Plated Copper Alloy). 3  ESM (Electro Plated Silver Mounts).
BREAKING DOWN 'Electronic Payments Network-EPN'. In the modern financial marketplace, the EPN's use of electronic transfers of money has increased the efficiency and timeliness of business transactions.If you are paid by direct deposit by your employer, chances are the EPN is involved in the transaction.n the modern financial marketplace, the EPN's use of electronic transfers of money has increased the efficiency and timeliness of business transactions. If you are paid by direct deposit by your employer, chances are the EPN is involved in the transaction.