The term integumentary system is identified in base64 scheme by the sequence aW50ZWd1bWVudGFyeSBzeXN0ZW0=, while the MD5 signature is equal to a3d822c1a2fd96d5cc6ae9b9fd0cd990. The ASCII encoding of integumentary system in hexadecimal notation is 696e746567756d656e746172792073797374656d.