The term intervertebral disk is identified in base64 scheme by the sequence aW50ZXJ2ZXJ0ZWJyYWwgZGlzaw==, while the MD5 signature is equal to 56908ae9571ffd505fcbbd0b92b64af5. The ASCII encoding of intervertebral disk in hexadecimal notation is 696e74657276657274656272616c206469736b.