The term hirudo medicinalis is identified in base64 scheme by the sequence aGlydWRvIG1lZGljaW5hbGlz, while the MD5 signature is equal to de4e0da5471c13c9ad0ccf9f17221e22. The ASCII encoding of hirudo medicinalis in hexadecimal notation is 68697275646f206d65646963696e616c6973.