The term free nerve ending is identified in base64 scheme by the sequence ZnJlZSBuZXJ2ZSBlbmRpbmc=, while the MD5 signature is equal to 7ede7f9d1b0d242aaf6cf11921ca8625. The ASCII encoding of free nerve ending in hexadecimal notation is 66726565206e6572766520656e64696e67.